MEDIUM
10th CBSE
IMPORTANT
Earn 100

Consider the activity of heating ferrous sulphate FeSO4.7H2O crystals in a test tube.

Complete the sentence:

This is a type reaction.

 

50% studentsanswered this correctly

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>TEST YOURSELF>Q 10
What is the difference between: exothermic and endothermic reactions ?
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>TEST YOURSELF>Q 10
What is the difference between combination and decomposition reactions?
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>TEST YOURSELF>Q 11
Write a balanced chemical equation and identify the type of chemical reaction taking place when:
Barium chloride solution is mixed with a copper sulphate solution and a white precipitate is observed.
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>TEST YOURSELF>Q 11
Write a balanced chemical equation and identify the type of chemical reaction taking place when:
On heating copper powder in the air in a china dish, the surface of copper powder turns black.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>TEST YOURSELF>Q 11
Write a balanced chemical equation and identify the type of chemical reaction taking place when:
Zinc metal reacts with aqueous hydrochloric acid to produce a solution of zinc chloride and hydrogen gas.
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>TEST YOURSELF>Q 11
Write a balanced chemical equation and identify the type of chemical reaction taking place when:
Iron nails when left dipped in blue copper sulphate solution become brownish in colour and blue colour of copper sulphate fades away.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>TEST YOURSELF>Q 11
Write a balanced chemical equation and identify the type of chemical reaction taking place when:
Quick lime reacts vigorously with water releasing a large amount of heat.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>TEST YOURSELF>Q 12
Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen during electrolysis of water is