MEDIUM
7th CBSE
IMPORTANT
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A salt is formed when a metal displaces hydrogen from an acid.

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Important Questions on Acids, Bases and Salts

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
What is the colour of litmus paper in an alkali?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
What is an acid-base indicator? Give one example.
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
Name one each of acidic, basic and neutral substances.
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
What happens when dilute sulphuric acid is added to zinc?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
How can carbon dioxide be prepared from an acid?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
Give two examples each of strong acids and weak acids.
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q C
Why does a base applied to your skin give relief from an ant bite?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q D

Give two main uses of sulphuric acid.