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Is Matter Around Us Pure ? — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?1 Mark
Question
A mixture of sand and iodine can be separated by:
✓

Answer

  1. Sublimation
Explanation:
Sublimation is one of the separation techniques to separate solid-solid mixture.
As iodine sublime, ( it changes to gaseous state from solid state without changing in liquid state on heating) it can be separated from sand by sublimation.

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