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Redox Reaction

Water polluti...

Question

Water pollution can be defined as:

A

Physical change in the properties of water

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B

Chemical change in the properties of water

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C

Biological change in the properties of water

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D

All of the above

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Solution

The correct option is D All of the above
There are various chemical pollutants which on mixing changes the colour, taste or other physical quality; changes the natural state of odourless, colourless form by bringing chemical changes and biological changes include an addition of pathogenic bacteria to the water by untreated sewage waste.

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