Question:
Match List - I with List II :
Choose the correct answer from the options given below:
Correct Option: , 4
Solution:
Li makes alloy with Lead to make white metal bearings for motor engines
Liquid Na metal is used as coolant in fast breeder nuclear reactor
$\mathrm{K}$ is a very absorbent of $\mathrm{CO}_{2}$
Cs is used in making photoelectric cell