Multiple choice

Epsom salts is

  1. MgSO4 . 2H2O

  2. CaSO4.2H2O

  3. Na2CO3. 10H2O

  4. MgSO4 . 7H2O
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Epsom salt is the common name for magnesium sulfate heptahydrate, MgSO₄·7H₂O. It has been used traditionally as a bath salt for muscle relaxation. Option A is incorrect hydration state, B is gypsum, and C is washing soda.

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