Question

1. What is the common name and formula of sodium hydroxide?

2. What is the reaction called in which an acid and a base nullify the effect of each other?

3. Name the salt which was an important symbol in India's struggle for freedom?

4. What will happen if solid sodium hydrogen carbonate Or a solution of it is heated? Give the equation of reaction involved.

5. Give two important uses of baking soda.

6. A baker found that the cake prepared by him was hard and small
in size. Which ingredient had he forgotten to add that would
make the cake fluffy? Give reason.

7. How does a fire extinguisher works?​

Answer 1

1. common name : caustic soda formula : ( NaOH) .
2. neutralization reaction
3. sodium chloride
4. I don't know sorry
5. use as baking powder in extinguisher items like cake pastry .,used in Soda acid fire extinguisher .
6. baking powder is used in cake to make cake softer and spongy .
7. Fire extinguisher contains carbon dioxide in it so as we know oxygen is required for fire to burn carbon dioxide reduces the oxygen around fire and surrounds it reduces the Fire .

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