Multiple choice

The chemical name of Epsom salt is _____________.

  1. ferrous sulphate

  2. copper sulphate

  3. magnesium sulphate

  4. calcium sulphate

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

Epsom salt is the common name for magnesium sulphate heptahydrate, MgSO4.7H2O. It is often used in baths for muscle relaxation.