Question

Which of the metal could provide cathodic protection
Options

A) Al and Zn

B) Zn and Ni

C) Zn and Cu

D) Cu and Ni

Q: When a cell of Lead acid storage battery is being charged it acts as
Options

A) Galvanic cell

B) An Electrolytic cell

C) A Daniel cell

D) A dry cell

Q: On the basis of mode of their formation the polymers can be classified
Options

A) As Addition polymer only

B) As condensation polymer only

C) As copolymers

D) Both as addition and condensation polymers

Answer 1

Question (1):
Option (A) is correct.
Al (Aluminium) and Zn (Zinc) are the metals which provide cathodic protection.

Question (2):
Option (B) is correct.
When a cell of Lead acid storage battery is charged, it acts as an electrolytic cell.

Question (3):
Option (D) is correct.
On the basis of mode of their formation, the polymers can be classified both as addition and condensation polymers.

Hopefully it helps. Thanks.