Railways PYQCBT 1 2016

RRB NTPC · Question 7

What is the name of the process where solid is directly converted into gas?

  1. Sublimation

  2. Deposition

  3. Condensation

  4. Evaporation

Show answer & explanation

Answer: (A) Sublimation

Explanation

Sublimation is the change of a solid directly into a gas without melting into a liquid, for example camphor, naphthalene balls, iodine and dry ice. The reverse change, gas directly to solid, is called deposition.