Sir, If the question comesWhich is the lightest metal ?(a) Lithium(b) Sodium(C) Potassium(d) Can’t SayShould I go for Lithium or Can’t Say as lithium is the lightest known metal and not the lightest metal
Sir, If the question comes
Which is the lightest metal ?
(a) Lithium
(b) Sodium
(C) Potassium
(d) Can’t Say
Should I go for Lithium or Can’t Say as lithium is the lightest known metal and not the lightest metal










