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Railways PYQCBT 1 2016

RRB NTPC · Question 59

___________ is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

  1. Sublimation

  2. Evaporation

  3. Condensation

  4. Liquidation

Show answer & explanation

Answer: (A) Sublimation

Explanation

Sublimation is the direct change from solid to gas without becoming a liquid, as with camphor, naphthalene and dry ice.