Question

Give an example of a metal which
1. is a liquid at room temperature.
2. can be easily cut with a knife.
3. is the best conductor of heat.
4. is a poor conductor of heat.

Answer 1

Answer:

(A)A metal which is a liquid at room temperature - Mercury (Hg)

Mercury is liquid at room temperature.

(B)A metal which can be cut with a knife - Sodium (Na)

Lithium, sodium and potassium are all soft metals that are easily cut with a scalpel or knife.

(C)A metal which is the best conductor of heat - Silver (Ag)

Silver is the best conductor of both heat and electricity among metals.

(D) A metal which is a poor conductor of heat - Bismuth (Bi)

Bismuth is the poor conductor of heat due to less number of free electrons

Explanation:

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