HARD
7th Jammu and Kashmir Board
IMPORTANT
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Write an equation when hydrochloric acid neutralises sodium hydroxide.

Important Questions on Acids, Bases and Salts

EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q (II)
Sulphuric acid is an example of an organic acid.
MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q (II)
Formic acid is found in the sting of a grasshopper.
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q (III)
The substances which show different colours in acids and bases are called indicators.
MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q (III)
Acid rain is caused by the excess of carbon dioxide in air.
MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q (III)
Potassium hydroxide turns blue litmus red.
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q 2
Blue litmus turns red in which solution.
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q 3
Which of the following is not a mineral acid?
MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q 4
When a few drops of china rose solution is added to shampoo taken in a test tube the colour of the solution becomes