A small quantity of solid ammonium chloride (NH4Cl) was heated gently in a test tube,...

JAMB 1978

A small quantity of solid ammonium chloride (NH4Cl) was heated gently in a test tube, the solid gradually disappears to produce two gases. Later, a white cloudy deposit was observed on the cooler part of the test tube. The ammonium chloride is said to have undergone
  • A. distillation
  • B. sublimation
  • C. precipitation
  • D. evaporation
  • E. decomposition
Correct Answer: Option B
Explanation
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