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Question
Which of the following is NOT a good conductor of heat?
Which of the following is NOT a good conductor of heat?
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Solution
The correct option is C water
Materials which conduct electricity or heat nicely are known as good conductors. Others are known as bad conductors. A good conductor usually has charged particles like electrons or ions in them. Copper, steel and iron being metals have free electrons available for conduction. Water is a non-metals and does not have free electrons for conduction. Hence it is a bad conductor.
Materials which conduct electricity or heat nicely are known as good conductors. Others are known as bad conductors. A good conductor usually has charged particles like electrons or ions in them. Copper, steel and iron being metals have free electrons available for conduction. Water is a non-metals and does not have free electrons for conduction. Hence it is a bad conductor.
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