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O Level Chemistry MCQs – Certification Test 52

Method of Purification Quiz (Question 52) – Learning App & e-Book Download

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MCQ: 52

Which statement is true about when the hot molten liquid cools?

  1. first crystals are the most pure
  2. impure substances may also form the crystals
  3. it turns into gas
  4. it turns into aqueous solution

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