MCQ
The flow chart given below are examples of materials $X$ and $Y.$
Identify $X$ and $Y.$
Identify $X$ and $Y.$
- A$X$$Y$Non metalsMetals
- ✓$X$$Y$MixturesMetals
- C$X$$Y$CompoundsElements
- D$X$$Y$CompoundsElements
✓
Answer
Correct option: B.
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$X$
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$Y$
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Mixtures
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Metals
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Air, liquor ammonia and milk are mixtures while copper, aluminium and iron are metals which are pure substances.
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Direction: Question is based on the following flow chart which gives the techniques a student adopted to separate the constituents of a mixture.
What could substance $R$ be$?$
→What could substance $R$ be$?$
Match the column $I$ with column $II$ and select the correct option from the codes given below:
→|
S.No.
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Column $I$
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S.No.
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Column $I$
|
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$P.$
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A mixture having same composition and properties throughout.
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$(i)$
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Sediment.
|
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$Q.$
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A mixture, different parts of which liquid have different composition and properties.
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$(ii)$
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Supernatant.
|
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$R.$
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The solid that settles when a heterogeneous solid-liquid mixture is allowed to stand.
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$(iii)$
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Homogeneous mixture.
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$S.$
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The liquid above the solid settling from a heterogeneous solid-liquid mixture.
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$(iv)$
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Heterogeneous mixture.
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Which characteristic feature enables a bird to fly?
Why should the inorganic garbage be not burnt?
Which is an example of an insulator:
In an electric bulb, light is produced due to the glowing of: