MCQ
Which of the following is not a separation technique?
- AChurning.
- BLoading.
- ✓Stirring.
- DSieving.
Except stirring all other are separation techniques.
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$(i)$
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It is a good conductor of heat and electricity.
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$(ii)$
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It has lustre.
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$(iii)$
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Identify the correct set of properties of copper.
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