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#Types of acid
1) Organic Acids
2) Inorganic Acids
#Properties of acid
I)Physical properties
1) Acid are sour in taste.
2) Acids turns bule litmus paper into red.
3)Acids turn methyl orange into red.
4) Acids are neutral to phenolphthalein.
By (Kritika KC(ʘᴗʘ✿)

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Acid: The chemical substance which gives hydrogen ion (H+) in water is called acid
Eg: Hydrochloric acid
Citric acid
Types: Organic & inorganic acid
Organic acid:The acid which are found in plants and animals is called organic acid.eg: Citric acid,lactic acid, tartaric acid.
Inorganic acid:The acid which are prepared in laboratory is called inorganic acid.eg: Hydrochloric acid, Sulphuric acid,Nitric acid.
Properties of acid:
Physical properties
->a)They are sour in taste.
b) Acids turn blue litmus paper into       red.
Chemical properties
->a) They react with metal to form hydrogen.
b)They react with base to form salt  and water.
By Dipson Poudel

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1) sodium oxide
2) sodium hydroxide
3) potassium oxide
4) potassium hydroxide
5) magnesium oxide
6) magnesium hydroxide
By Nikita khatri

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1)Acid; It is the chemical substance which give hydrogen ion(H+) in water.
2)It's types:
i.organic acid
ii.Inorganic acid
3)It's properties:
Physical property: it ahve sour in taste.
Chemical property:it reacts with metal to form hydrogen gas.
4)It's uses: It is used in laboratory, industry and factory for various purpose.
(Base)
1)Base are the oxides and hydroxides of metal.
2)Base and it's molecular formula
Sodium oxide =Na2O
Sodium hydroxide=NaOH
Potassium oxide=K2O
Potassium hydroxide=KOH
Magnesium oxide=Mog
Magnesium hydroxide=Mg(OH)2

(Kristina Poudel✿✿)

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1.Bases react with acid to give salt and water.
2.Bases react with carbon dioxide to from carbonate.
By: Sumi Ranabhat

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The chemical substance which give hydrogen ion in water is called acid.
eg: hydrochloric acid, Citric acid

Types of acid:
1)Organic acid
= The acids which are found in plant and animals are called Organic acids.

2)Inorganic acid
= The acid which are prepared in the laboratory are called inorganic acids.

By: Anuj Poudel

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By Sandesh Tiwari

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A SUBSTANCE WHICH IS USED TO IDENTIFY WHETHER A SUBSTANCE IS ACIDIC OR BASIC IS CALLED INDICATOR.
BY: Salina Karki

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Two types of acid are:
1) Organic acid
2) INORGANIC ACID
By:- BIDHAN BARAL

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1)they are sour in taste.
2)acid turn blue litmus paper into red.
3)acids turn methyl orange into red.
4)acids are neutral to phenolphthalein.
Nikita khatri

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Organic and inorganic acid sujit adhikari

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Properties of acid
1) physical properties
2) chemical properties
By BIDHAN BARAL

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What is acid?
The chemical substances which give hydrogen ion (h+) in water is called acid.

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Acid,base and salt was the previous lesson we where reading

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Acid,base and salt was the previous lesson we where reading

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Acid base & salt
By:- BIDHAN BARAL