Mention with reason the colour changes observed when :a piece of zinc is dropped in copper sulph...

Mention with reason the colour changes observed when : Silver chloride is exposed to sunlight.

Mention with reason the colour changes observed when : copper powder is strongly heated in the presence of oxygen

What happens when a piece of zinc metal is added to copper sulphate solution?

Assertion (A): The colour of copper sulphate solution changes when a piece of zinc is dropped in it Reason (R): Copper is more reactive than zinc.

What happens when a piece of : Zinc metal is added to copper sulphate solution?

For any weak acid indicator (Hln) colour change is observed when

The surface of a zinc plate a shining appearance when kept in a solution of mercuric chloride, but no change is observed when zinc is placed in a solution of magnesium chloride. Explain the reason.