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GK QUESTION#3517

Consider the following statements.

1. Milk of magnesia contains magnesium hydroxide suspended in water.

2. It is used as a laxative and antacid.

3. Magnesium hydroxide is highly soluble in water.

Which statements are correct?

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

A. 1 & 2 only

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Explanation

Milk of magnesia is a suspension of magnesium hydroxide in water, and labelled products can be used as antacids or saline laxatives. Magnesium hydroxide is only sparingly soluble in water, rather than highly soluble. Statements 1 and 2 are true and statement 3 is false.

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