21:33 6/20 End Prem dropped a copper coin in a liquid thinking that it is clean water. After some time the colour of the liquid changes. What was the solution present in the beaker?
a. Ferrous sulphate
b. Silver nitrate
C. Lead chloride
d. Magnesium sulphate
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Here is your answer in photo .
The answer is B ( Silver Nitrate )
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