EASY
7th CBSE
IMPORTANT
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The substances which change their colour in coming in contact with other substances are called:

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Important Questions on Acids, Bases and Salts

EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q I
The sharp pain caused by the sting of brown ants, nettles and bees is due to:
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q I
A substance which dissolves in water to give hydrogen ions as the only positively charged ion is called:
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q I
The substances which react with acids to form salt and water as the only products are known as:
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q I
All oxides and hydroxides of metals are:
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q I
Hydrochloric acid produced in the stomach is very important for:
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q I
Antacids made of magnesium hydroxide and aluminium hydroxide, are used for:
MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q I
Weak bases are:
MEDIUM
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q I
Strong bases are: