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Question

Which of the following statement is not correct?
All metals are solids at room temperature.
All metals are good conductors of heat and electricity.
All metals have high melting points
All metals possess lustre when freshly prepared.

A

All metals are solids at room temperature.

B

All metals are good conductors of heat and electricity.

C

All metals have high melting points

D

All metals possess lustre when freshly prepared.

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Solution

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All metals are solid state at room temperature except mercury.Hence,it is incorrect.

All metal are good conductors of heat and electricity.

All metal form basic oxides.

All metal possess lustre when freshly prepared.

Hence, option $A$ is correct

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