MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
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China rose solution turns green in citric acid solution.

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Important Questions on Acids, Bases and Salts

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 (II)
During neutralisation, an acid reacts with a salt to form water and a base, as products.
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q (III)
Tooth decay is caused by the presence of basic substances in mouth.
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.
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q (III)
Milk of magnesia and slaked lime are examples of neutral substances.
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 (III)
Most of the fruits contain organic acids.