MEDIUM
10th CBSE
IMPORTANT
Earn 100

To balance the following chemical equation the value of and should respectively be:
(a)
(b)
(c)
(d)

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Important Questions on Chemical Reactions and Equations
MEDIUM
10th CBSE
IMPORTANT
State the change in colour observed in the following case mentioning the reason:
Silver chloride is exposed to sunlight.

MEDIUM
10th CBSE
IMPORTANT
State the change in colour observed in the following case mentioning the reason:
A piece of zinc is dipped in ferrous sulphate solution.

MEDIUM
10th CBSE
IMPORTANT
State the change in colour observed in the following case mentioning the reason:
Copper powder is strongly heated in air.
