Question

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Answer 1

Answer:

2. The formula of lead sulphate is- (b) PbSO4.

3. The colour of zinc metal is- (d) Grey

4. When we place an iron nail in copper sulphate solution, the reddish brown coating formed on the nail is- (c) soft and dull

Answer 2

Answer:

2) (b) pbS04

3) (b) silvery

4) (d) hard and flaky

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