MCQ
Moisture in air is called?
- ARespiration
- ✓Humidity
- CAtmosphere
- DWater vapour
The amount of water vapour present in the air is called as humidity.
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$(i)$
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The compressed air in a tyre exerts a force large enough to lift a heavy car.
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$(ii)$
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In a syringe, the plunger compresses the liquid.
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S.No.
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Column$-I$ (Mineral)
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S.No.
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Column$-II$ (Source)
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$(A)$
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Iron
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$(p)$
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Milk and milk products.
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$(B)$
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Calcium
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$(q)$
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Leafy green vegetables.
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$(C)$
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Iodine
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$(r)$
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Protein rich foods like meat, fish.
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$(D)$
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Phosphorus
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$(s)$
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Sea weeds.
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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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The process involved when a heavier con in a mixture settles after water is added to it
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$(p)$
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Condensation.
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$B.$
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The process whereby the liquid layer above the settled heavier component is removed
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$(q)$
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Evaporation.
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$C.$
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The process in which the liquids get converted to gases (vapours) on heating.
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$(r)$
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Sedimentation.
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$D.$
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The process in which gases (vapours) get converted to liquids on cooling
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$(s)$
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Decantation.
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