Explain how rusting of iron is envisaged as setting up of an electrochemical cell.

What is salt bridge? Why is it used in electrochemical cell?

Give two differences between electrolytic and electrochemical cell.

How wrough iron is prepared from cast iron?

After sometime, the voltage of and electrochemical cell becomes zero. Comment.

Following are the data of standard reduction half cell potentials of certain electrochemical cells. E_(Ag^(+)//Ag)^@ = 0.80V & E_(Cu^(2+)//Cu)^@ = 0.34V E_(Sn^(2+)//Sn)^@ =-0.14V & E_(Na^(2+)//Na)^@ = -2.71V Represent the electrochemical cell constructed from these pair of half cells.

"A soft iron core in solenoid acts as an electromagnet". Explain.

Explain - Cs metal is used in photo electric cell.

Explain how a square is. a rhombus

Explain how a square is. a rectangle