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Assertion : In sublimation, a substance ...

Assertion : In sublimation, a substance changes directly from solid to vapour without passing through liquid state and vice-versa.
Reason : Distillation involves two processes i.e., vapourisation and condensation.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B

Both are definitions of sublimation and distillation respectively.
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Knowledge Check

  • The conversion of a solid into vapours without passing through the liquid state is called :

    A
    vaporisation
    B
    fusion
    C
    sublimation
    D
    freezing
  • A change of state directly from solid to gas without changing into liquid state (or vice versa) is called _____________.

    A
    Evaporation
    B
    Condensation
    C
    Sublimation
    D
    Diffusion
  • _____________ is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquide phase.

    A
    Sublimation
    B
    Evaporation
    C
    Condenation
    D
    Liquidation
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