Question on: JAMB Chemistry - 2024
An example of a substance that does not change directly from solid to gas when heated is
A
NHâ‚„Cl (s)
B
Iâ‚‚ (s)
C
CaCO₃ (s)
D
S₈ (s)
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Correct Option: C
Calcium carbonate (CaCO₃) does not sublime (change directly from solid to gas). It decomposes upon heating. NH₄Cl, I₂, and S₈ all undergo sublimation, changing directly from solid to gas upon heating.
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