A copper plate was dipped in `AgNO_(3)` solutions. After certain time, silver from the solution was deposited on the copper plate. State the reason whhy it happened. Give the chemical equation fo the reaction involved.

A copper plate was dipped into a solution of AgNO_(3) . After sometime, a black layer was deposited on the copper plate. State the reason for it. Write the chemical equation for the reaction involved.

In a solution of silver nitrate, a copper plate was dipped. After some time, silver from the solution was deposited on the copper plate. Which metals is more reactive-copper or silver? how?

When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time. Why does this happen? Write the chemical equation.

When a copper plate is dipped into a solution of ferrous sulphate , the colour of the solution will change to

What will happen if a solution of sodium hydrocarbonate is heated? Give the equation of the reaction involved.

A zinc plate was kept in a glass container having CuSO_(4) solution. On examining it was found that the blue colour of the solution is getting lighter. After a few days, when the zinc palte was taken out of the solution, a number of small holes were noticed in it. state the reason and give chemical equation of the reaction invovled.

An iron nail was dropped into copper sulphate solution. After some time, the colour of the solution changed from :