
What is baking powder? How does it make cakes soft and spongy?

Important Questions on Chemistry in Daily Life


A compound of calcium, which is a white powder having a yellow tinge, is used in the textile industry and as a disinfectant.
Name the compound.

A compound of calcium, which is a white powder having a yellow tinge, is used in the textile industry and as a disinfectant.
Which gas is released when the compound is left out in open air? Give the balanced equation for this reaction.

A compound of sodium, 'X', is a white powder and an important component of baking powder. When 'X' is heated, a gas 'Y' is produced that turns lime-water milky.
Write the chemical equation for the reaction which takes place on heating.

A compound of sodium, 'X', is a white powder and an important component of baking powder. When 'X' is heated, a gas 'Y' is produced that turns lime-water milky.
Why is 'X' used as an antacid?

Describe the steps in the process of glass manufacture under each of the following headings:
Necessary materials.

Describe the steps in the process of glass manufacture under each of the following headings:
Substances that give or impart colour to the glass.
