Q1) 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. ?
Answer
(i) Mercury is a liquid metal at room temperature.
(ii) Sodium and Potassium metals can be easily cut with a knife.
(iii) Silver and Copper are the best conductors of heat as well as electricity.
(iv) Lead and mercury are poor conductors of heat.
