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Question

Which of these substances are arranged in their correct order of conductivity of heat?


A

Silver>Gold>Water>Rubber

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B

Ebonite<Rubber<Steel<Silver

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C

Gold=Water>Rubber>Silver

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D

Aluminium>Water>Ice>Wood

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Solution

The correct options are
A

Silver>Gold>Water>Rubber


B

Ebonite<Rubber<Steel<Silver


D

Aluminium>Water>Ice>Wood


Thermal conductivity is the property of a material to conduct heat.

Generally, metals are good conductors of heat while non-metals are bad conductors of heat.

Some common substances in their decreasing order of conductivity of heat:
Silver>Copper>Gold>Aluminium>Zinc>Steel>Lead>Water>Ice>Rubber>Wood>Ebonite


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