Multiple choice

A drying agent removes water from an organic compound that is in solution. Among the following magnesium compounds ------------------- is used as a drying agent.

  1. trimagnesium citrate

  2. monomagnesium phosphate

  3. magnesium gluconate

  4. magnesium sulphate

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

Magnesium sulphate is a chemical compound containing magnesium, sulphur and oxygen. It is often encountered as the heptahydrate epsomite (MgSO4·7H2O), commonly called Epsom salt. Anhydrous magnesium sulphate is used as a drying agent.