Question.
Give an example of a metal which
(i) is a liquid at room temperature.
(ii) can be easily cut with a knife.
(iii) is the best conductor of heat.
(iv) is a poor conductor of heat.
Give an example of a metal which
(i) is a liquid at room temperature.
(ii) can be easily cut with a knife.
(iii) is the best conductor of heat.
(iv) is a poor conductor of heat.
solution:
(i) Metal that exists in liquid state at room temperature – Mercury
(ii) Metal that can be easily cut with a knife – Sodium
(iii) Metal that is the best conductor of heat – Silver
(iv) Metals that are poor conductors of heat –Mercury and lead
(i) Metal that exists in liquid state at room temperature – Mercury
(ii) Metal that can be easily cut with a knife – Sodium
(iii) Metal that is the best conductor of heat – Silver
(iv) Metals that are poor conductors of heat –Mercury and lead
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