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GK QUESTION#3199

Consider the following statements: 1. Potassium chloride is not used to treat potassium deficiency. 2. Potassium iodide is used to supplement iodine in the human body. 3. Potassium nitrate is used in fertilizers and food preservatives. Which of the statements given above is/are correct?

  1. A1 and 3 only
  2. B2 and 3 onlyCorrect answer
  3. C1 and 2 only
  4. D1, 2 and 3
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Answer

B. 2 and 3 only

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Explanation

Potassium chloride is used to treat potassium deficiency, so statement 1 is false. Potassium iodide supplies iodine in supplements. Potassium nitrate is used in fertilisers and has specified food-preservative applications. Therefore statements 2 and 3 are correct; these uses do not imply unrestricted consumption.

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