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Byju's Answer
Standard VII
Physics
What Is Temperature
Which of thes...
Question
Which of these is the best insulator of heat?
(a) iron
(b) water
(c) nitrogen
(d) alcohol
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Solution
(c) nitrogen
Gases are bad conductors to heat, and nitrogen being a gas can be considered as the best insulator. Water and alcohol are liquids, and are semi-good insulators. However, iron is a solid and the best conductor to heat.
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Q.
Which of these is the best insulator of heat?
(a) iron
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Match the items in Column A with the items in Column B:
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