MCQ
Hydrilla is an example of:
- AFloating plant.
- BFixed plant.
- ✓Submerged plant.
- DMountain plant.
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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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