MCQ
Which is a natural magnet?
- ✓Magnetite.
- BHaemetite.
- CBakelite.
- DCopper.
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Allow free movement of air
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High water absorption capacity.
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$(i)$
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The aluminium rod conducts heat better than the brass rod.
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$(ii)$
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The aluminium rod conducts heat better than the copper rod.
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$(iii)$
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The glass rod conducts heat better than the copper rod.
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$(iv)$
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The wax on the copper rod melts faster than the wax on the brass rod.
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