MEDIUM
7th CBSE
IMPORTANT
Earn 100

Give the colour changes, if any, of the following indicators with acids and bases:
Turmeric

Important Questions on Acids, Bases and Salts

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
EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q D
Give the colour change of the following indicator with acids and bases:
  • Red litmus
HARD
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q D
What is neutralisation? How is neutralisation helpful in the treatment of indigestion?
MEDIUM
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q D
Why is it wise to neutralise the factory wastes before disposing them into rivers or lakes?
MEDIUM
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q D
What are salts? What are their uses? Name some salts commonly used in a laboratory.
HARD
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q D
Why does the pain caused due to an ant’s sting get relieved by rubbing baking soda solution at the place of sting?
MEDIUM
7th CBSE
IMPORTANT
Science Booster>Chapter 6 - Acids, Bases and Salts>PRACTICE TIME>Q E
Describe an activity to show that an acid neutralises the property of a base.