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Chemistry acids and bases reflection- Sumedh Shah

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Chemistry acids and bases reflection- Sumedh Shah

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We started with the learning of the IB elements and the Command terms. It was very interesting to learn the different terminology of chemistry.

We then started learning about everyday acids and bases. It was first a "what you know" time, with us discussing what we know and learning new things. We later learnt the following-

Acid or Base?

Properties of Acids and Bases

Acids and Bases in nature

Indicators

Neutralization

Uses of neutralization

Air pollution and acid rain

Effect of acid rain

Acid or Base?
Acids are substances having a Ph of 0-6.
Bases are substances with a Ph of

Acids-
1. Sour in taste
2.Highly Corrosive (so donot touch them )
3.Ph is 0-6
4.Turns Universal testing paper Red.

Bases-
1.Bitter to taste
2.Soapy to touch
3.Ph is 8-14
4.Turns Universal testing paper Blue.

Acids and bases in nature-
You can find several acids or bases in nature itself! I will give you a list-
Tomatoes- Oxalic Acid
Grapes- Tartaric Acid
Curd- Lactic Acid
Corn- Phytic Acid
Wasp Sting- Magnesium Hydroxide ( Base )
Apples- Malic Acid

Indicators-
Indicators are substances which react to acids or bases by changing colour when they come in contact with either of them.
There are many natural indicators such as turmeric and litmus.
Litmus is a plant which grows on rocks and the barks of trees.
Turmeric turns maroon-brown when coming in contact with a base. Red litmus turns blue when coming in contact with a base and vice-versa. There are many such indicators, such as Phenopthalene, and a few of them are combined to make the Universal Indicator, which is then dried on to paper to make the Universal testing paper.

Making your own Indicator!
Here is how you can make your own indicator! Follow the steps below.

1. Get some turmeric.
2. Get some water.
3. Mix the two to make a paste.
4. Cut strips of paper.
5. Apply the paste on the strips.
6. Let the strips dry overnight.
7. Get more water.
8. Get some baking soda.
9. Mix them both.
10. Get your dried strips.
11. Dip one in the mixture of the mixture of baking soda and water

What just happened!
The yellow turmeric paper turned maroon-brown!
This happened because the turmeric is acidic and the baking soda and water turned out to be basic.
So what exactly happened???
They the color changed because they neutralized each other. This brings us to our next topic- Neutralization.

Neutralization-
When a base and an acid come in contact, they cancel out each other, creating a salt, which is neutral.

Neutralization's Uses-
Neutralization can be seen everywhere.
It can be seen when someone dared to throw stones on a honeybee hive and the person got bitten by quite a few bees. The bee sting is acidic, (contains methanoic acid) so calamine lotion is applied on them. Calamine Lotion is basic.
It can be seen in toothpaste. The toothpaste is a base, which neutralizes the acid created by bacteria in your mouth.

It can be seen in farms. We need neutral soil for plants to grow. However, sometimes the soil becomes acidic. Why?
This brings us to the topic-

Air Pollution and Acid Rain-
Nowadays, big amounts of smoke and harmful gases are being let out by big industries and factories in big amounts. We know the consequences of air pollution such as this, but there is one more impact: Acid Rain.
The Ph of rainwater is normally 5.6. However, because of air pollution, harmful gases get mixed with the water vapor. These gases, which are highly acidic, settle in the clouds with the water vapor and mix with the liquid water up there in the clouds, and then the water rains. This is so severe, that sometimes the rain becomes strongly acidic, with a Ph of 3! You can take more reference from the document below-

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We started with the learning of the IB elements and the Command terms. It was very interesting to learn the different terminology of chemistry.

We then started learning about everyday acids and bases. It was first a "what you know" time, with us discussing what we know and learning new things. We later learnt the following-

Acid or Base?

Properties of Acids and Bases

Indicators

Neutralisation

Uses of neutralisation

Air pollution and acid rain

Effect of acid rain

Acid or Base?
Acids are substances having a Ph of 0-6.
Bases are substances with a Ph of

Acids-
1. Sour in taste
2.Highly Corrosive (so donot touch them )
3.Ph is 0-6
4.Turns Universal testing paper Red.

Bases-
1.Bitter to taste
2.Soapy to touch
3.Ph is 8-14
4.Turns Universal testing paper Blue.

Indicators-
Indicators are substances which react to acids or bases by changing colour when they come in contact with either of them.
There are many natural indicators such as turmeric and litmus.
Litmus is a plant which grows on rocks and the barks of trees.
Turmeric turns maroon-brown when coming in contact with a base. Red litmus turns blue when coming in contact with a base and vice-versa. There are many such indicators, such as Phenopthalene, and a few of them are combined to make the Universal Indicator, which is then dried on to paper to make the Universal testing paper.

Making your own Indicator!
Here is how you can make your own indicator! Follow the steps below.

1. Get some turmeric.
2. Get some water.
3. Mix the two to make a paste.
4. Cut strips of paper.
5. Apply the paste on the strips.
6. Let the strips dry overnight.
7. Get more water.
8. Get some baking soda.
9. Mix them both.
10. Get your dried strips.
11. Dip one in the mixture of the mixture of baking soda and water

What just happened!
The yellow turmeric paper turned maroon-brown!
This happened because the turmeric is acidic and the baking soda and water turned out to be basic.
So what exactly happened???
They the colour changed because they neutralized each other. This brings us to our next topic- Neutralization.

Neutralization-
When a base and an acid come in contact, they cancel out each other, creating a salt, which is neutral.

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Chemistry Acids and Bases Reflection- Sumedh Shah

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Chemistry Acids and Bases Reflection- Sumedh Shah

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Chemistry Acids and Bases Reflection- Sumedh Shah

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Chemistry Acids and Bases Reflection- Sumedh Shah

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Chemistry Acids and Bases Reflection- Sumedh Shah

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Chemistry Acids and Bases Reflection- Sumedh Shah

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We started with the learning of the IB elements and the Command terms. It was very interesting to learn the different terminology of chemistry.

We then started learning about everyday acids and bases. It was first a "what you know" time, with us discussing what we know and learning new things. We later learnt the following-

Acid or Base?

Properties of Acids and Bases

Indicators

Neutralisation

Uses of neutralisation

Air pollution and acid rain

Effect of acid rain

Acid or Base?
Acids are substances having a Ph of 0-6.
Bases are substances with a Ph of

Acids-
Sour in taste
Highly Corrosive (so donot touch them )
Ph is 0-6
Turns Universal testing paper Red.

Bases-
Bitter to taste
Soapy to touch
Ph is 8-14

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Acids💯
Acids are mostly sour they can be found on fruits, vegetables, plants and many things. and even vinegar is acid. But how to find out if a substance is acid or base?
its a ph scale. What is a ph scale? It means a scale that has numbers from 0 to 14. 0-6.9 is an acid and from 7.9-14 is a base. Now you may be thinking that what is 7?
its neutral, Pure water is neutral.
Some natural indicators are- Red/Blue Litmus, Turmeric and many more. acids usually turn red and Bases blue.

Some Acids on fruits, vegetables and plants:-

| Fruits | Vegetables | Plants
| Apple-Malic acid |
Orange- Ascorbic and Citric Acid
| Cabbage-Oxailic acid
| Corn-Phytic acid

Bases
Bases are substances that are mostly slippery, and taste bitter. Like soap,
And on a ph scale it is more than the value of 7.

Bases-
These our some bases

Potassium hydroxide (KOH)

Sodium hydroxide (NaOH)

Barium hydroxide (Ba(OH)₂)

Caesium hydroxide (CsOH)

Strontium hydroxide (Sr(OH)₂)

Calcium hydroxide (Ca(OH)₂)

Lithium hydroxide (LiOH)

Rubidium hydroxide (RbOH)

I hope you liked my reflection and

THANK YOU

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I love science from the very beginning and my tryst with chemistry began last year when my mother showed me some simple experiments at home. This year I was very happy to learn the acid base chemistry in detail.
In the beginning we were briefed about the key concepts, Related concepts , SOI and global context.
Then began the interesting topic of Acids and Bases. We started by learning the properties of acids first.  It was really interesting to know how acids are common in our everyday life like the acids in lemons, ant sting and so on. This was followed by the properties of bases . After learning this I did some experiments at home mixing vinegar and baking soda.
This was followed by learning about the ph scale of acidity and basicity. I got some pH paper from my mom's school and tested the pH of different substances present at home.
We also learnt about indicators and tried making one with beetroot it was a pH indicator.
This was followed by learning about neutralisation reaction and the various examples associated with it.
We also learnt about the acid rain and air pollution

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Chemistry| Everyday Acids & Bases| Reflection| Tanisha S.

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Chemistry| Everyday Acids & Bases| Reflection| Tanisha S.

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Science is where you explore the world and chemistry is where you have fun with it. This unit especially, being the first unit in chemistry is one of my favorites and I am hoping to learn much more like this.

An Overview of our Lesson-
As being in chemistry, we accordingly selected the Key Concept, Related Concept, Global Context and Statement of Inquiry.

Then we moved on to the Main & Big Idea: What are acids and bases? And, other questions such as: How Do We Identify Them? or What Are Their Properties?

We then started exploring this concept more in depth taking it to Acid Rain, Neutralization and it's Uses, Indicators,  and Uses in our Everyday Life.

Our approaches to learning were wide to. Via videos, games, assignments on Google Classroom and research, we were able to get to the ideas, concepts and understandings from all the aspects and point of views.

This was a very interesting topic and I surely enjoyed going on this journey of acids and bases.

Thank You!

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Hello everyone my name is Eeshita

Personally, Chemistry is the most awaited subject by me and I love dealing  with chemicals and learning about them, so I had lot of fun in the unit.

We started with our lesson by learning about the key concepts and IB elements and command terms for the unit. Per
After being introduced to the topic, we started learning about it in detail.
As the unit says “Acids and Bases“ the main thing to focus is what is Acids and bases?

So, we understood  the properties of acids and bases and what is it.

The main topics we learned in this unit were-

Introduction to Acids and Bases

Is it an Acid or alkali?

Properties of Acids and Bases

Indicators

Neutralisation

Uses of neutralisation

Air pollution and acid rain

Effect of acid rain

In the unit, we watched many videos, understood various interesting topics through PPTs and also completed many assignments posted through Google classroom.
This was a very interesting unit and I loved learning about it, as it is very important and it is the basics of chemistry.

Thankyou ..

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What we learned About-Neutralization What is Litmus Paper pH scale How acids and bases behave The characteristics of Acids And bases.I loved this topic!

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We started with the learning of the IB elements and the Command terms. It was very interesting to learn the different terminology of chemistry.

We then started learning about everyday acids and bases. It was first a "what you know" time, with us discussing what we know and learning new things. We later learnt  properties of acids and bases. Here are a few.

Acids-
Sour in taste
Highly Corrosive (so donot touch them )
Ph is 0-6
Turns Universal testing paper Red.

Bases-
Bitter to taste
Soapy to touch
Ph is 8-14

We then saw examples:

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We learned About-
Neutralization
what is Litmus Paper
pH scale
How acids and bases behave
The characteristics of Acids And bases.
I loved this topic!

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Reflection on Acids and Bases- Sumedh Shah

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Reflection on Acids and Bases- Sumedh Shah

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We started with the learning of the IB elements and the Command terms. It was very interesting to learn the different terminology of chemistry.

We then started learning about everyday acids and bases. It was first a "what you know" time, with us discussing what we know and learning new things. We later learnt properties of acids and bases

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The main topics we learned in this unit were-

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Reflection on everyday  Acids & Bases - Prisha Shah 

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Reflection on everyday  Acids & Bases - Prisha Shah 

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It was a very interesting topic  and fun too ! since the day we learnt about the types of acids and bases i started relating all the food items or liquid to acids and bases .
so let me tell you a little about acids and bases . Acids taste sour,  they have a Ph of  0 -6  and they turn blue litmus paper to  red . Bases taste bitter they have a Ph of  &  7 to 14  and they turn red litmus paper blue

Thank you

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Hi I am Palak
I loved this topic as we learned about Acids and Base.
We learned about
Indicators
Characteristic of Acids & Bases
Neutralization
How acids and bases behave
pH scale

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My name is Dhyana,
I will be telling you all about my learning.
Acids tastes sour, when a litmus turns red its a Acid

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when we first started the topic we started with learning the ib elements then we went on to get to know acids and bases.

Acids have a sour taste and are 1 - 7 on the ph table where as bases have a soapy taste and are 7- 14 on the ph table 7 is neutral nor acid nor base

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Our  first unit is acid and base. so first we started with all the lovely IB elements. so first what I did was to understand the IB elements so i can understand the topic very well.

We had some prior knowledge about this topic so it was little known to us and we were really comfortable with the topic.

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Reflection on acids and bases
Hi this is Hannah
First we started our class and we learnt about our ib element  and many more and the started with the
the ph scale
Acid And base and neutral substance

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Hello  everyone.
Today i will be sharing with you all what all we learnt through this super in interesting unit,
It was super fun too.
It was all about everyday acids and bases.
We learnt about the properties of acids and bases.
Acids have a sour taste, they are corrosive, strong acids produce hydrogen ions when in contact with water, strong acids can burn surfaces in which they are in contact with.
As for bases,  they are bitter in taste, corrosive and have a very slippery feel to the hand.
But how do i know whether if how to test what is an acid and what is a base ?
Well, it is practically pretty easy.
We can use something called as an indicator which can help. there are many types of indicators. If we use the colors of the ph scale we can easily get to know.
For example,  turmeric. It is a natural indicator !!
When a base comes in contact, the solution turns reddish brown.
When an acid comes in contact, the color yellow remains.
Even limus paper is an indicator.
It is made of lichen.
This is in breif, but this was an amazing topic.

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Reflection on Acids & Bases     - Vaibhavi 

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Reflection on Acids & Bases     - Vaibhavi 

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Our first unit was acids and bases we started with the IB elements. After we knew them it got easier for us to understand it.

We had already learnt a little about acids and bases in the previous class, so it wasn't that difficult for us to understand the unit.

We learnt about many things we started with the basics. Acids are sour where as bases are bitter. Acids can range from the pH 1-6 and bases 8 - 14 where as 7 is neutral. We also learnt about indicators which tell you if a thing is an acid or an alkali (base).
we also learnt about neutralization which is basically making a thing close to neutral. Another  thing is acid rain and its effects. It was a really nice unit. We also learnt about the pH scale where we saw which things are strong acids, some are weak acids, and the other way for bases.
It was a nice start to Chemistry!

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My Reflection on Everyday Acids & Bases| Khanak Pradhan

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My Reflection on Everyday Acids & Bases| Khanak Pradhan

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Hello everyone I am Khanak Pradhan and I am going to share my wonderful learning of our Online Learning Journey of Everyday Acids And Bases.
Chemistry is a completely new subject for us. We learned about Acids and Bases. We learnt everything like where

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We started to learn what are acids and bases its examples in acids we learnt  two types of acids and bases and it s characteristics .

Then we learnt about how do we decide if a solution is acidic or basic so we learnt about indicators
some examples litmus paper  turmeric etc if the blue litmus paper turns red then it is acidic and the other way round indicates basic

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Our first class was a brief explanation/ introduction to this topic of CHEMISTRY.
Learning about ACIDS & BASES we thought how about to explore the key concepts & IB elements are related to this topic?

So we started with what is a Acid and Base ( another word for base is ALKALI)
An acid is a substance that tastes sour and on the PH level is below 7. So what is the PH level??

A PH level is a level that can be used to

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I learned about indicators neutralisation, how acids give protons and bases take protons, and how water gives and takes protons. Everything else I already knew.
- Dheer Gupta

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First we started our topic  by writing the key concept, related concept,  global context and SOI. Then we learnt the definition of acids and bases and in that we wrote some examples of acids in plants and animal origins. Followed by the 7 hazards of acids. After that we learnt the types of acid and some acids like Sulfuric, Nitric acid. We also learnt the chemical formulas of those acids. Mam made us learn six acids, their formulas and where they are used. In last, we got to know about the base, its examples, properties. Then we got to know about indicators, their colour in acids, bases. We also learnt about the indicators in fruits like red cabbage, beetroot and black currant. And to end our unit we learnt about the litmus paper and its effects on lemon, orange, vinegar and more. And in last, we got to know about the PH scale. Overall we had fun learning.

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Reflection in everyday acids and bases -Vedanshri dhulla

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Reflection in everyday acids and bases -Vedanshri dhulla

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We started our unit by writing our IB elements and commanded terms

The main thing in acids and bases is there taste so acids are sour and bases are bitter

The units were introduction to acids and bases ,is it acid or alkali ,properties of acids and bases ,indicators , neutralization ,uses of neutralization ,air pollution and acid rain and effect of acid rain.

We understood by many videos and ppts
Now I will tell you some examples red -PH 4
Orange-PH. 5
Yellow- PH 6 etc
Uric acid in urine
Methanoic acid in ant strings
Tomatoes oxalis acid
Apple magic acid  https://s3-us-west-2.amazonaws.com/courses-images/wp-content/uploads/sites/2318/2017/06/17200616/Figure_02_02_05ab.jpg

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acids are sous tasting substance which PH is 1 to 7  1 is more acidic 6 is less and 7 is nutral bases are bitter tasting substance the PH is 7 to 14  and 14 is more basic then 8
eg of acids are coffe battery acid stomache acid
eg of base is blood  SOAP milk

My Name is Nevaan

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reflection for everyday acid and bases - ansh vora

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reflection for everyday acid and bases - ansh vora

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E xamples of bases and acid in everyday life are - Vinegar is diluted acetic acid, which is what gives salad dressings and pickled vegetables their tart taste. Oranges, lemons, and limes contain citric acid, which gives them their sour taste.

why is it important ?
ans - Acids and bases definitely serve important functions both inside and outside the scientific laboratory. In every day life, acids and bases play a role in everything from digestion of the foods you eat to the function of the medicine you take and even the cleaning products you use.

all about ph chart -
In chemistry, pH is a scale used to specify how acidic or basic a water-based solution is. Acidic solutions have a lower pH, while basic solutions have a higher pH. At room temperature, pure water is neither acidic nor basic and has a pH of 7.

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Reflections for Everyday Acids and Bases | Eeshita  

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Reflections for Everyday Acids and Bases | Eeshita  

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Hello everyone my name is Eeshita

Personally, Chemistry is the most awaited subject by me and I love dealing  with chemicals and learning about them, so I had lot of fun in the unit.

We started with our lesson by learning about the key concepts and IB elements and command terms for the unit. Per
After being introduced to the topic, we started learning about it in detail.
As the unit says “Acids and Bases“ the main thing to focus is what is Acids and bases?

So, we understood  the properties of acids and bases and what is it.

The main topics we learned in this unit were-

Introduction to Acids and Bases

Is it an Acid or alkali?

Properties of Acids and Bases

Indicators

Neutralisation

Uses of neutralisation

Air pollution and acid rain

Effect of acid rain

We also learned about the PH scale ( the photo is shown below).

In the unit, we watched many videos, understood various interesting topics through PPTs and also completed many assignments posted through Google classroom.
This was a very interesting unit and I loved learning about it, as it is very important and it is the basics of chemistry.

Thankyou ..

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I have learned.....
Acids have a sour taste and have a lower number on the pH scale.
Whereas bases have a soapy taste and have a higher number on the pH scale. We learned many types of acids and bases. We also learned how to use a fire extinguisher which is very important incase of an emergency
Example of acids-
Vinegar and Lemons
Example of bases-
Baking Soda and soap
7 on the pH scale is known as neutral which is H2o also known as pure water.
By,
Kyra