SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Carbon Dioxide Gase
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Water
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Iron
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Rubber
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Detailed explanation-1: -Which of the following substances if the best conductor of transferring energy as heat? iron.
Detailed explanation-2: -Iron is good conductor of heat. Iron is ductile.
Detailed explanation-3: -Generally, non-metals are bad conductors of heat and metals are good conductors. Among the given options, iron is a metal. Water, kerosene and air are non-metals. Iron is a good conductor of heat.
Detailed explanation-4: -Silver is known to be the best conductor of heat.
Detailed explanation-5: -Metals like copper and aluminium have the highest thermal conductivity while steel and bronze have the lowest. As copper is an excellent conductor of heat, it is good for heat exchangers also. Example: Gold, Silver, Iron, etc are some examples of good heat conductors and electrical conductors.