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Question
Which metal is a good conductor of heat?
Which metal is a good conductor of heat?
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Solution
The correct option is A Gold
A metal having free electrons is generally good conductor of heat. because in it heat transfer takes place by vibration of molecules as well as movement of electrons. But in others like non-metal heat transfer takes place only by vibration of molecules.In above given option Carbon and lead are non-metal and alloys have relatively less free-electrons than Gold. So Gold is a good conductor of heat.
A metal having free electrons is generally good conductor of heat. because in it heat transfer takes place by vibration of molecules as well as movement of electrons. But in others like non-metal heat transfer takes place only by vibration of molecules.
In above given option Carbon and lead are non-metal and alloys have relatively less free-electrons than Gold. So Gold is a good conductor of heat.
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