MEDIUM
7th CBSE
IMPORTANT
Earn 100

Is sodium hydroxide an acid or a base?

Important Questions on Acids, Bases and Salts
MEDIUM
7th CBSE
IMPORTANT
What can you say about the nature of a solution which turns blue litmus red? (Basic/ Acidic)

MEDIUM
7th CBSE
IMPORTANT
Ammonia is found in many household products such as window cleaners. It turns red litmus blue. What is its nature? (Acidic/ Basic)

EASY
7th CBSE
IMPORTANT
Name any two gaseous pollutants which cause acid rain.

EASY
7th CBSE
IMPORTANT
Name two strong acids and two weak acids.

MEDIUM
7th CBSE
IMPORTANT
Name two strong bases and two weak bases.

EASY
7th CBSE
IMPORTANT
Name the chemical which is injected into the skin of a person when an ant bites.

MEDIUM
7th CBSE
IMPORTANT
What does calamine solution contain?

MEDIUM
7th CBSE
IMPORTANT
What name is given to the reaction in which an acid reacts with a base to form salt and water? (Neutralisation / Addition)
