Multiple choice

A crystal can be formed by _____.

  1. heating a saturated solution

  2. cooling a saturated solution

  3. stirring a saturated solution

  4. all of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

During crystallisation, heating of the solution is stopped when it becomes hot and saturated. If the resulting solution is allowed to cool at room temperature, the dissolved solid will precipitate out as pure crystals.