Question

● What is baking powder?

● How does it make cake soft and spongy? Write the equation involved.

● Also write the equation for heating of baking soda?

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Answer 1

baking powder is sodium bicarbonate NaHCO3 
when it is added to food and heated CO2 gas is liberated
NaHCO3---------(Heat) Na2CO3+H2O+CO2
the releasing  of CO2 makes the bakery products ie cakes, breads etc loght and spongy

Answer 2

Hello,

Here's the answer :-

Baking powder is actually a weak base of sodium. It is sodium bicarbonate. Its formula is NaHCO3.


Let's say that we add curd or lemon juice to a mixture of dough with baking powder, the lactic acid of curd or citric acid of lemon juice reacts with the baking powder and creates a salt along with slow and spontaneous release of Carbon dioxide.

When the dough is properly mashed, the mixture gets uniformly spread and hence the carbon dioxide gets trapped in the dough through the pores and hence when baked, the CO2 gas expands and the water of the dough gets evaporated. Thus it becomes fluffy and sometimes crisp.

The decomposition of baking powder on heating :-

2NaHCO3 ---(heat)---> Na2CO3 + CO2 + H2O

Hope it helped hriday (heart) bhaiya!!!

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