EASY
10th CBSE
IMPORTANT
Earn 100

Shashank was asked to carry out a displacement reaction which would show the following:
(i) Formation of colourless solution
(ii) Black deposits
The reactants he should use are:

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Important Questions on Chemical Reactions and Equations

HARD
10th CBSE
IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 1 - Chemical Reactions and Equations>Value Based Questions>Q 53
Sapna added a strip of aluminium to 50 mL of a solution of FeSO4 in a test tube. The correct observation for change in colour of solution made by her is:
HARD
10th CBSE
IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 1 - Chemical Reactions and Equations>Value Based Questions>Q 54
A student placed Zn rod in FeSO4 solution. After 10 hours when rod was taken out and it was observed that:
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 1 - Chemical Reactions and Equations>Value Based Questions>Q 55
Which of the following solution is coloured?
HARD
10th CBSE
IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 1 - Chemical Reactions and Equations>Value Based Questions>Q 56
Aqueous solution of which of the following is colourless?
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF CHEMISTRY X>Chapter 1 - Chemical Reactions and Equations>Value Based Questions>Q 57
In which form zinc metal is used from laboratory to prepare hydrogen?