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Q1)Use the test tube holder to hold the test tube. And tilt the test tube slightly so it doesn't face yourself or other people
Q2)Put lime,CaCo3 onto the spill to neutralise it
Q3)add water to acid to get more accurate concentration
Q4)24.4ml
Q5)grams

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1. Ensure that the test tube is clampled held by test tube holder tightly upon heating using a retort stand and clamp or a test tube holder can be used to prevent the hands from getting burnt. The bunsen burner must be placed on a flat surface.
2. Clean the area using gloves and ensure that other members avoid the area. (method of cleaning?)
3. Add acid to the water. It is because adding water to concentrated acid can produce alot of heat which is fatal.
4.figure B. 25.7ml
5.grams

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1.Use a test tube holder to hold the test tube (any safety precautions?)
2.neutralize the acid into base (WHAT DOES THIS MEAN?)
3.water to acid , when you drop water to acid,it forms an extremely concentrated solution of acid initially. So much heat is released that the solution may boil very violently, splashing concentrated acid out of the container and all this
4.25.7ml, 25.6ml,25.7ml(average:25.7ml) (There is only one correct answer)
5.g

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6)

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General Lab Safety and Lab Techniques- lab blended - Answers

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1. Use a test tube holder to hold the heated test tube
2. Use bicarbonate powder to neutralize the sulfuric acid

3. Acid to water, because the reaction is exothermic and when pouring water into acid it would cause violent splashes, which is dangerous
4. figure B, 25.6 mL
5. Gram

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1. Firstly, make sure to hold the test tube with test tube holder .

2. Pour Sodium Bicarbonate powder to dilute NEUTRALISE the sulfuric acid. Next, clean the area with a cloth with some litmus in it. (Awesome!)

3. I will add acid to water. It is because it will react in a vigorous exothermic reaction which releases heat. When water is added to acid, the water boils and the acid may splatter and splash. That’s why acid should add to water.

4. 25.6 ml

5. Gram

6.

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Brandon
Qaliff
Tse Yang
Azfarul

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Jason

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Yee Mun, Chui Ying, Dhivyaa, Ruth, Lih Tian

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STATION 3

(Type your answer)
1. Use test tube holder to hold the test tube while heating the solution
2. Immediately wash it with water (it is going to widen the splash!)
3. Add acid to water because if you add water to acid, it releases heat that might be dangerous enough to boil.
4. Figure B (25.5ml)
5. Gram

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Manisha
Chelsea
Ann
Amanda
Jason

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Wei Yang
Bay
Jason
Bryan

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YuRou
Renisha
Jiene
Hafsha

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Jie Ying
Divyaah
Zhi Wei
Carmen

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Yey

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Jie Nee

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(Type your answer)
1. ..........
2. ..........
3. ..........
4. ..........
5. ..........
6. ..........

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Using the Weighing Balance
http://www.videosmaller.com/

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Memory Game
https://matchthememory.com/laboratoryequipment