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Soft heavy metal melts at 30^(@)C and is...

Soft heavy metal melts at `30^(@)C` and is used in making heat sensitive thermometers the metal is

A

Gallium

B

Sodium

C

Potassium

D

Caesium

Text Solution

Verified by Experts

The correct Answer is:
A
Low melting point (`30^(@)` C) of gallium allows it to melt in the human hand, and then refreeze if removed. Unlike Hg , Ga is non–hazardous
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