Multiple choice

The process of sublimation is used to separate a mixture of salt and ammonium chloride, because

  1. ammonium chloride directly changes from solid to liquid state on heating

  2. ammonium chloride directly changes from liquid to solid state on heating

  3. ammonium chloride directly changes from solid to gaseous state on heating

  4. ammonium chloride directly changes from gaseous state to solid state on heating

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is because ammonium chloride sublimes on heating.