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Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Minerals such as sodium, chloride and potassium are required to maintain the correct concentration of the body fluids. Chloride is also required for the production of hydrochloric acid in the gastric juice of the stomach.
Reason R: The minerals Sodium, Chloride and Potassium are eaten as sodium chloride or potassium chloride in food. They are found naturally in fish and many other foods.

In the light of the above statements, choose the most appropriate answer from the options given below:

  • A.Both A and R are correct and R is the correct explanation of A.
  • B.Both A and R are correct but R is not the correct explanation of A.
  • C.A is correct but R is not correct.
  • D.A is not correct but R is correct.

Answer: B

The answer is Both A and R are correct but R is not the correct explanation of A.

The Assertion is true: sodium, chloride and potassium maintain the correct concentration and balance of the body fluids, and chloride is needed to make hydrochloric acid in the gastric juice.

The Reason is also true: these minerals are eaten mainly as common salt (sodium chloride) and as potassium chloride, and occur naturally in fish and many other foods. But the Reason only says where the minerals come from; it does not explain why the body needs them, so it is not the explanation of A.

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