MEDIUM
7th CBSE
IMPORTANT
Earn 100

Why should factory wastes be neutralised before discharging them into water bodies? Explain.

Important Questions on Acids, Bases and Salts

HARD
7th CBSE
IMPORTANT

Annie is playing in her garden with her friend, Ishrat. Suddenly, a bee bites Ishrat. Annie immediately brings baking soda and rubs it on the stung area.
(a) Why does Annie apply baking soda?
(b) What value can you learn from Annie? 

MEDIUM
7th CBSE
IMPORTANT

What should be added to the soil when it is (i) too acidic and (ii) too basic?

EASY
7th CBSE
IMPORTANT
How are mineral acids different from organic acids?
MEDIUM
7th CBSE
IMPORTANT
Differentiate between acids and bases.
MEDIUM
7th CBSE
IMPORTANT
How are acids helpful in maintaining our good health?