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UPSC CSE Prelims
1998
Q130 — Science & Technology

UPSC CSE Prelims 1998 Q130 — Science & Technology PYQ with Answer

1998Q130·Science & Technology·Chemistry

Assertion (A): Sodium metal is stored under kerosene.

Reason (R): Metallic sodium melts when exposed to air.

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Assertion (A): Phenyl is used as a household germicide. Reason (R): Phenyl is a...

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