Question

Explain.
*(3) An antacid tablet is taken when you suffer from acidity,
*(4) Factory waste is neutralised before disposing it into the water bodies. -
Explain.​

Answer 1

Answer:

during acidity excess of hcl is produced in stomach. antacid is a base. it neutralize the acid the provide relief

if acidic/basic factory waste is directly dumped in water it can kill the marine animals. hence the waste is treated first

Answer 2

(3) An antacid tablet is taken when you suffer from acidity because it is basic in nature and when the acid present in our body increases the tablet neutralises its affects.

(4) Factory waste is neutralised before disposing it in water bodies because neutralised water is harmless and is drinkable and useful for other daily tasks whereas the water which contains too much base or acid is a waste and can make the water body dirty and poisonous.