✏️ Question:
- Which of these are NOT good conductors of heat?
✏️ Answer:
- B. Concrete, mercury, platinum
✏️ Explanation:
- Metals such as copper and aluminum have the highest thermal conductivity while steel and bronze have the lowest. Since copper is an excellent conductor of heat, it is also good for heat exchangers. Gold, Silver, Iron etc. are also some of the examples of excellent heat conductors as well as electrical conductors.
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