MCQ
$X$ is a separation technique based on the difference in weights of the solids in a solid-solid mixture. What is $X?$
- ASieving.
- BHandpicking.
- CThreshing.
- ✓Winnowing.
$ X$ is winnowing, a process which uses the difference in weights of solids in a solid- solid mixture for separating the components.
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$(i)$
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Reduction of air, water and land pollution.
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$(ii)$
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Conservation of natural resources.
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$(iii)$
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Increase of air, water and land pollution.
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S.No.
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Column-$I$
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S.No.
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Column-$II$
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$A$
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Water cycle.
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$(p)$
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Solid state of water.
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$B$
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Hail, snow.
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$(q)$
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Condensation.
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$C$
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Water vapour changes to liquid water.
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$(r)$
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Circulation of water between ocean and land.
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$D$
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Water enters air.
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$(s)$
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Transpiration.
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