Why $N a H C O_{3}$ is used in soda-acid fire extinguisher as well as for making baking powder.

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Solution

$W h e n$ $N a_{2} C O_{3}$ $is heated or mixed water a reaction takes place which leads to the evolution of carbon dioxide$ $gas . Now carbon dioxide extinguishes fire very well hence, it is used in soda -acid fire extinguisher and also$ $the carbon dioxide produced$ $during the reaction causes the bread or cake$ to rise to make $them soft and spongy. Hence,$ $N a H C O_{3}$ $is used for making baking powder.$

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Q. Baking soda is used in small amount in making bread and cake. It helps to make these soft and spongy. An aqueous solution of baking soda turns red litmus blue. It is also used in soda acid fire extinguisher.
Use this information to answer the following questions:
(a) How does baking soda help to make cakes and bread soft and spongy?
(b) How does it help in extinguishing fire?
(c) Is the pH value of baking soda solution lesser than or greater than 7?

State the chemical properties on which the following uses of baking soda are based:

as an antacid

as a soda fire extinguisher

to make cake soft and spongy

If we make a home made fire extinguisher we add baking powder as base and vinegar and acetic acid. In the real fire extinguisher are these things only there?

Q. Why is soda-acid fire extinguisher used?

Q. For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake, what is the role of tartaric acid added to baking soda?

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Why NaHCO3 is used in soda-acid fire extinguisher as well as for making baking powder.

Why $N a H C O_{3}$ is used in soda-acid fire extinguisher as well as for making baking powder.