Post-UTME Chemistry 2010 Objective — Question 9
Question 9 of 11 from the Post-UTME Screening (Post-UTME) Chemistry 2010 Objective paper, with the correct answer and a full explanation.
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When some substances are heated, they change directly into gases without appearing in the liquid state. An example is....
- A. copper
- B. iodineCorrect
- C. sodium
- D. Sulphur
Explanation
Iodine sublimes directly from solid to gas on heating, without passing through a liquid phase.
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