When ammonium chloride is dissolved in water in a test tube, the tube feels colder...
CHEMISTRY
WAEC 1993
When ammonium chloride is dissolved in water in a test tube, the tube feels colder showing that
- A. the solution is unsaturated
- B. sublimation has ocurred
- C. ammonia gas is evolved
- D. the process is endothermic
Correct Answer: D. the process is endothermic
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