Chemistry
Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium

A, B, C, D and E
A and C
B, D and E
A, C and E

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Chemistry
The BOD values of water indicate the

Amount of oxygen used for biochemical oxidation
Amount of ozone used for biochemical oxidation
Amount of oxygen used for biochemical reduction
Amount of organic debris

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