Question

Epsom salt is

• A. Magnesium sulphate
• B. Calcium sulphate
• C. Zinc sulphate

Hint:

Epsom = Magnesium; Glauber's = Sodium (Sulphates).

Answer 1

The Correct Option is A

Step 1: Concept
Many inorganic salts are known by traditional common names in pharmacy.

Step 2: Meaning
Epsom salt is specifically the heptahydrate form of magnesium sulphate ($MgSO_{4} \cdot 7H_{2}O$).

Step 3: Analysis
It is widely used as a saline cathartic and for external use in soaking baths to relieve muscle aches.

Step 4: Conclusion
Magnesium sulphate is the chemical identity of Epsom salt.

Final Answer: (A)