Question

When a copper coin is kept in this of silver nitrate for sometime what will be your observation

Answer 1

Copper will displace silver

On the coin we can see silver deposit and the solution will change to blue colour

AgNO3+Cu=CuNO3+Ag

Hope it helps............

Answer 2

1. coins color changes into silver
2. bredth of coin is increses . it gets thicker.
3. solution color changes into blue.