Question

write method of preparation and uses of sodium bicarbonate​

Answer 1

Answer:

Preparation:

Sodium bicarbonate is prepared by adding ammonia and carbon dioxide to aquaous sodium chloride. The products formed are sodium bicarbonate and ammonium chloride.

NaCl + H2O + CO2 + NH3 ➜ NH4Cl + NaHCO3.

Explanation:

Uses:

• It is mixed with mild acids such as tartaric or citric acids to form baking powder which is used in cooking.

• It is used in soda-acid fire extinguishers.

• It is also used in soda water.

• It is also used as antacids to neutralize excess acid in the stomach during acidity.