Question

Chemical formula,methods of preperation and important uses of baking soda

Answer 1

Q. Chemical formula,methods of preparation and important uses of baking soda.

Ans :-

Chemical formula:- $NaHCO_3$

Explanation:-

Baking soda also known as Sodium bicarbonate.

Methods of preparation :-

• It is prepared by brine solution.

• In brine solution $CO_2$ and $NH_3$ gas is dissolved.

• Sodium bicarbonate is soluble at room temperature and can be separated easily.

The reaction can be written as follows:-

$NaCl + H_2O + NH_3 + CO_2 →NaHCO_3 + NH_4Cl$

Uses of baking soda :-

• It is used in preparation of soda fire extinguisher.

• In baking industry.

• Used as antacids in hyperacidity.

• Used as laboratory reagents.