EASY
7th CBSE
IMPORTANT
Earn 100

Identify chemical formulae of the following:
Nitric acid

A: H2SO4  B: HNO3 C: HNO2

(Enter your correct answer as A, B or C)

75% studentsanswered this correctly

Important Questions on Acids, Bases and Salts

EASY
7th CBSE
IMPORTANT
Write the chemical formula of caustic soda.
EASY
7th CBSE
IMPORTANT
Identify the chemical formula of sodium bicarbonate.

A: Na2CO3  B: NaHCO3 C: HNO2

(Enter your correct answer as A, B or C)

EASY
7th CBSE
IMPORTANT
What are basic substances?
EASY
7th CBSE
IMPORTANT
Define an indicator.
EASY
7th CBSE
IMPORTANT
Which substances turn blue litmus paper red?
MEDIUM
7th CBSE
IMPORTANT
What is used to test the strength of an acid and a base?
MEDIUM
7th CBSE
IMPORTANT
Name the salt obtained by the reaction between HCl and NaOH. (Sodium carbonate/ Sodium bicarbonate/ Sodium chloride)
MEDIUM
7th CBSE
IMPORTANT
 Give three examples of everyday materials which contain (a) an acid, and (b) a base?