A small quantity of solid ammonium chloride (NH4Cl) texted gently in a test tube, the solid gradually disappear produce two gases. Later, a white cloudy deposit was absent on the cooler part of the test tube. The ammonium chloride is to have undergo?
A. distillation
B. sublimation
C. precipitation
D. evaporation
Correct Answer:
Option B – sublimation
Explanation
Sublimation is the transformation of solid gaseous state without passing through the liquid state. Options A, C, D do not showcase these characters of sublimation as they do not bye-pass states. They are in a particular order
