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Which of the following is the suspended impurity?

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in Applied Chemistry by (101k points)
Which of the following is the suspended impurity?

(a) Iron hydroxide

(b) Dust

(c) Mud

(d) Nitrogen

The question was asked during an interview for a job.

The doubt is from Sources, Impurities and Hardness of Water in section Water of Applied Chemistry

1 Answer

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The correct answer is (a) Iron hydroxide

For explanation: The nitrogen is the dissolved impurity. The suspended impurities are iron hydroxide, silica are the inorganic impurities which decomposes the organic impurities.

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