EASY
7th CBSE
IMPORTANT
Earn 100

What are basic substances?

Important Questions on Acids, Bases and Salts

EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q C
Define an indicator.
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q C
Which substances turn blue litmus paper red?
MEDIUM
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q C
What is used to test the strength of an acid and a base?
MEDIUM
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q C
Name the salt obtained by the reaction between HCl and NaOH. (Sodium carbonate/ Sodium bicarbonate/ Sodium chloride)
MEDIUM
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q D
 Give three examples of everyday materials which contain (a) an acid, and (b) a base?
MEDIUM
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q D
Give the colour changes, if any, of the following indicators with acids and bases:
Turmeric
MEDIUM
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q D
Give the colour changes, if any, of the following indicators with acids and bases:
China rose
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q D
Give the colour changes, if any, of the following indicator with acids and bases:
Blue litmus