MEDIUM
7th CBSE
IMPORTANT
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Classify the following as mineral acid and natural acid:
Vinegar, sulphuric acid, nitric acid, citric acid and carbonic acid.

Important Questions on Acids, Bases and Salts

HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q E
Why are the working tables and shelves in chemistry laboratory covered with tiles and not wood or metals?
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q E
Write the chemical formulae for hydrochloric acid and sulphuric acid.
EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q E
Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q E
What should be done to get relief from a bee sting and why?
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q E
How does slaked lime help in the treatment of acidic soil?
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
Differentiate between: Acids and bases.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
Differentiate between: Bases and alkalis.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
Explain the process of neutralisation along with an example.