What happens when: Iron nails are placed in a copper sulphate solution ? Write word equation of the reaction involved.

When zinc rod is directly placed in copper sulphate solution

What happens when chlorine is passed over slacked lime at 313k? Write chemical equation of the reaction involved and state two uses of the product obtained.

What happens when charge is placed on a soap bubble ?

How is nitrogen prepared in the laboratory ? Write the chemical equations of the reactions involved.

When excess of KI is added to copper sulphate solution

When iron rod is kept dipped in copper sulphate solution for some time, a brown coating is formed on the iron rod. What change will be observed in the colour of the solution? Also write chemical equation for the reaction involved.

The colour of copper sulphate solution changes when an iron nail is dipped in it. State the reason giving chemical equation for the reaction involved.

Why does the colour of copper sulphate solution change when an iron nail is dipped in it ? Write chemical equation for the reaction involved.

What happens when KI solution is added to an aqueous solution of copper sulphate?

An iron knife kept dipped in a blue copper sulphate solution turns the blue solution to light green.