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Q: Which of the following changes occure on heating the camphor?
  • A. Solid to gas
  • B. From solid to liquid and then from liquid to gas
  • C. Liquid to gas
  • D. solid to liquid
Correct Answer: Option A - A process in which solids are directly converted to gases is called sublimation. The heating on camphor changes to gaseous form immediately.
A. A process in which solids are directly converted to gases is called sublimation. The heating on camphor changes to gaseous form immediately.

Explanations:

A process in which solids are directly converted to gases is called sublimation. The heating on camphor changes to gaseous form immediately.