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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Question : Which of the following acids is found in spinach?
Option 1: Tartaric acid
Option 2: Oxalic acid
Option 3: Citric acid
Option 4: Lactic acid
Question : Which of the following acids is used in lead storage batteries?
Option 1: Acetic acid
Option 2: Hydrochloric acid
Option 3: Sulphuric acid
Option 4: Nitric acid
Question : In the context of respiration, the stage known as glycolysis involves the breaking down of _______________to pyruvic acid.
Option 1: lactic acid
Option 2: fructose
Option 3: citric acid
Option 4: glucose
Question : Heavy water is made by ______.
Option 1: dissolving salt of heavy metals in distilled water
Option 2: repeated distillation and condensation of water
Option 3: burning Deuterium in oxygen
Option 4: by burning the heavier isotope of Oxygen and Hydrogen
Question : Which of the following acids is responsible for muscle fatigue in humans?
Option 2: Nitric acid
Option 3: Lactic acid
Option 4: Hydrochloric acid
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