Multiple choice

Which of the following can be present is a freezing mixture? (i) Common salt (ii) Magnesium hydroxide (iii) Calcium chloride (iv) Sodium hydroxide

  1. (i) and (ii)

  2. (ii) and (iv)

  3. (i) and (iii)

  4. (iii) and (iv)

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

A freezing mixture is a mixture of ice and common salt or calcium chloride.