State application (uses) of baking soda.

Ans. The white amorphous powdered soda is termed as baking soda. Its chemical name is Sodium Hydrogen Carbonate or Sodium bicarbonate and its formula is NaHCO₃. When tested with litmus, NaHCO₃ turns red litmus blue, which indicates that it is alkaline in nature.

Sodium bicarbonate is extensively used in day – to – day life.

i.                     It is used to prepare light spongy bread, cakes and dhokala.

ii.                   It also helps to reduce acidity in stomach being alkaline.

iii.                 It is very useful in preparing CO₂ gas and is one of the content of fire extinguishers.