Unilorin Post-UTME Chemistry 2023 (Model questions) Question 5

Question 5

Kinetic Theory and States of Matter

The process by which a gas changes directly to a solid is called

  1. A.melting
  2. B.sublimation
  3. C.deposition
  4. D.condensation
Show the answer and explanation

Answer: C (deposition)

Explanation

Gas turning straight into solid is deposition. Sublimation is the reverse (solid straight to gas) and condensation is gas to liquid.