MCQ
The dissolution of salt in water is a:
- AReversible change.
- BIrreversible change.
- ✓Chemical change.
- DPeriodic change.
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S.No.
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Column-$I$ (Components of diet)
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S.No.
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Column-$II$ (Functions)
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$(A)$
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Fats
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$(p)$
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Keeps our skin and eyes healthy.
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$(B)$
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Vitamin $A$
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$(q)$
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Helps our body to use calcium for bones and teeth.
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$(C)$
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Vitamin $D$
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$(r)$
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Sources of energy and essential fatty acids in diet.
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$(D)$
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Water
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$(s)$
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Act as a lubricant.
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S.No.
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Column$-I$
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Column$-II$
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$A.$
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Crushing of an ice cube.
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$(p)$
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periodic change.
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$B.$
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Making of curd.
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$(q)$
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Slow change.
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$C.$
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Germination of seed into plant.
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$(r)$
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Physical change.
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$D.$
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Formation of day and night.
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$(s)$
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Chemical change.
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