MEDIUM
10th CBSE
IMPORTANT
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What is the colour and formula of sodium sulphate?

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Important Questions on Chemical Reactions and Equations

MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 21

What becomes the colour of iron nails after they have been kept in the blue solution of copper sulphate for about 20 minutes?

MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 22
Barium chloride and sodium sulphate react to produce
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 23
The action of water on quick lime is an example of which type of reaction?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 24
What is the nature of the new product which is formed by the action of water on quick lime?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 25
CaO and CO2 are produced by heating CaCO3. What is the type of the reaction and the process?