EASY
7th CBSE
IMPORTANT
Earn 100

Indicator changes its colour only in alkaline solution. 

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Important Questions on Acids, Bases and Salts

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>TRY OUT
What are alkalis?
EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Exercise>Q 5
A neutralisation reaction forms salt and water. 
MEDIUM
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Exercise>Q 4
China rose indicator turns _____ in acidic solution.
MEDIUM
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Exercise>Q 1
What are organic acids? Give examples.
EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Exercise>Q 2

Which acid is used to prepare fertilisers and explosives? 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Exercise>Q 4
What is pH scale? 
MEDIUM
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Exercise>Q 5
Give two examples of neutralisation reaction.
MEDIUM
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Exercise>Q 6
What are salts? Which is the most common salt used by us in our daily life?