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SZF IOS · Is Matter Around Us Pure? · Quiz

Is Matter Around Us Pure? — quick quiz

5 real SZF IOS questions on Is Matter Around Us Pure?. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

EASY

A student mixed salt and sand in water and stirred well. Salt dissolved completely but sand settled at the bottom. After some time, the student poured the liquid carefully into another beaker without disturbing the sand. Which separation technique did the student use?