Chemistry-10th Metals and Non-metals CBSE Board 2023 Medium
On placing a silver coin in a test tube containing blue solution of \text{CuSO}_4, a student would observe af…
On placing a silver coin in a test tube containing blue solution of , a student would observe after some time, say 20 minutes, that the solution
- (a)turns green and a grey substance is deposited on the coin.
- (b)turns colourless and a grey substance is deposited on the coin.
- (c)remains blue with no change in the silver coin.
- (d)turns colourless and reddish brown substance is deposited on the coin.
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