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. ?



(i) Mercury is a liquid metal at room temperature.  

Liquid Mercury - Teachoo.png

(ii)  Sodium and Potassium metals can be easily cut with a knife.

Soft metals can be cut with a knife - Teachoo.png

(iii) Silver and Copper are the best conductors of heat as well as electricity.

Silver and Copper are good conductors - Teachoo.png

(iv) Lead and mercury are poor conductors of heat.

Lead and mercury metals - Teachoo.png

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo