Question

Name the products formed in each case when 

(a) hydrochloric acid reacts with caustic soda. 

(b) granulated zinc reacts with caustic soda. 

(c) carbon dioxide is passed into lime water.

Answer 1

(a) Sodium chloride and water are formed

(b) Sodium zincate and H₂(g) are formed.

(c) Calcium carbonate and water are formed.

A white powder is added while baking breads and cakes to make them soft and fluffy. Write the name of the powder. Name its main ingredients. Explain the function of each ingredient. Write the chemical reaction taking place when the powder is heated during baking.