Question : Alum is made by dissolving bauxite in:
Option 1: Phosphoric acid
Option 2: Citric acid
Option 3: Boric acid
Option 4: Sulphuric acid
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Correct Answer: Sulphuric acid
Solution : The correct answer is Sulphuric acid .
Bauxite is dissolved in sulphuric acid to create alum. The final mixture is subjected to several chemical reactions and procedures that provide different kinds of alum, often known as "Aluminum sulphate." This substance has extensive applications in various industries, including paper production, water treatment, and dyeing operations.
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