1.

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»

Solution :(i) Mercury is a liquid at ROOM temperature. (ii) Sodium, potassium can be easily cut with a knife. (III) SILVER and copper are GOOD conductor of heat. (iv) Lead is a POOR conductor of heat.


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