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Metals are ge...

Question

Metals are generally hard. But which of the following metal is an exception that it can be cut with a knife?

A

Iron

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B

Sodium

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C

Gold

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D

Magnesium

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Solution

The correct option is A Sodium
Metals, in general, are hard solids at room temperature. Sodium, Potassium and Lithium are exceptional metals as they are soft.

Sodium is stored in kerosene and is so soft that it can be cut with a knife.

Hence the correct option is B.

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