What would you observe at the (a) cathode (b) anode ?

During the electrolysis of copper (II) sulphate solution using platinum as cathode and carbon as anode : What do you observe at the cathode and at the anode ?

During the electrolysis of copper (II) sulphate solution using platinum as cathode and carbon as anode : What do you observe at the cathode and at the anode?

An aqueous solution of nickel (II) sulphate was electrolyzed using nickel electrodes. Observe the diagram and answer the questions that follow What do you observe at the cathode and anode respectively?

In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?

What would you observe in the following case ? Water is added to the product formed, when aluminium is burnt in a jar of nitrogen gas.

A metal article is to be electroplated with silver. Answer the questions : What will be the nature of the (1) anode (2) cathode?

What would you observe when crystals of copper (II) sulphate are heated in a test tube strongly?

What would you observe in each of the following cases? When carbon monoxide is passed over heated copper oxide.

What would you observe in the following ? Copper is heated with concentrated nitric acid in a hard glass test tube.

What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.