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7th CBSE
IMPORTANT
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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
Which of these is a salt–hydrochloric acid, sodium hydroxide, sodium chloride?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
If a liquid turns blue litmus red, is it an acid, base or salt?
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
Methyl orange has _____ colour in an acidic solution. (Red/ Yellow)
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
When water is added to a strong acid, it becomes dilute. True or false?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
Name the mineral acid from the following.
Acetic acid, Formic acid, Sulphuric acid.
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
Milk contains _____ acid.
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
Write the name of the gas produced when sodium carbonate reacts with dilute hydrochloric acid?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 7 - Acids, Bases and Salts>EXERCISES>Q B
Name the reaction between an acid and a base which forms a salt and water.