How are baking soda and washing soda are prepared?
Answers
Answer:
baking soda:
when an access of carbon dioxide is bubbled through a nearly saturated solution of common salt containing ammonia, ammonium hydrogen carbonate is formed. this will react with more of sodium chloride to form sparingly soluble sodium hydrogen carbonate and ammonium chloride. sodium hydrogen carbonate is separated by filtration. it is then washed with cold water and dried in air.
Two important uses of washing soda are:
→ It is used in glass, soap, and paper industries.
→ It is used to remove permanent hardness of water.
Two important uses of baking soda are:
→ It is used as baking powder. Baking powder is a mixture of baking soda and a mild acid known as tartaric acid. When it is heated or mixed in water, it releases CO2 that makes bread or cake fluffy.
→ It is used in soda-acid fire extinguishers.