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Water Pollution

What is the c...

Question

What is the concentration above which sulphate causes laxative effect?

A

500 ppm

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B

500 ppb

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C

100 ppm

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D

100 ppb

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Solution

The correct option is A 500 ppm
Excessive sulphate (>500 ppm) in drinking water causes laxative effect, otherwise at moderate levels it is harmless.

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