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Question

White silvery metals that melts , when kept on the palm is ________ & ________


A

Silver and Platinum

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B

Gallium and Caesium

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C

Sodium and Potassium

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Solution

The correct option is B

Gallium and Caesium


Ga and Cs have a very low melting point.

Gallium is a soft, silvery metal, and elemental gallium is a brittle solid at low temperature and melts at 29.76 C (85.57F) (slightly above room temperature).

Caesium is a soft, silvery-gold alkali metal with a melting point of 28C, which makes it one of only five elemental metals that are liquid at or near room temperature.


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