Question

Give anexample of a metal which

(i) isa liquid at room temperature.

(ii) canbe easily cut with a knife.

(iii) isthe best conductor of heat.

(iv) is apoor conductor of heat.

Answer 1

(i) Metalthat exists in liquid state at room temperature →Mercury

(ii) Metalthat can be easily cut with a knife →Sodium

(iii) Metalthat is the best conductor of heat →Silver

(iv) Metalsthat are poor conductors of heat →Mercury and lead