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Uses of Products Obtained in Fractional Distillation

Up to what te...

Question

Up to what temperatures should petroleum be heated during refining to obtain:
X: A substance that is used for metalling of road surfaces
Y: A substance that is used as a fuel for cooking

A

X : 100°C , Y : 25°C

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B

X : 25°C , Y : 350°C

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C

X : 200°C , Y : 100°C

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D

X : 350°C , Y : 25°C

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Solution

The correct option is D X : 350°C , Y : 25°C

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Q. Question 38
During extraction of metals, electrolytic refining is used to obtain pure metals.
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(b) Suggest a suitable electrolyte also.
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Uses of Products Obtained in Fractional Distillation

Standard VIII Chemistry

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