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A person was using water supplied by Mun...

A person was using water supplied by Municipality. Due to shortage of water the started underground water. He felt laxative effect. What could be the cause ?

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The laxative effect is observed only when the sulphates present in water have concentration greater than 500 ppm.
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PRADEEP-ENVIRONMENTAL CHEMISTRY-NCERT EXEMPLAR PROBLEMS (SHORT ANSWER)
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  5. On the basis of chemical reactions involved, explain how do chloroflu...

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  6. What could be the harmful effects of improper management of industrial...

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  7. During an educational trip, a student of botany saw a beautiful lake i...

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  8. What are biodegradable and non-biodegradable pollutants ?

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  9. What are the sources of dissolved oxygen in water ?

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  10. What is the importance of measuring BOD of a water body ?

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  11. Why does water covered with excessive algal growth become polluted ?

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  13. Oxidation of sulphur dioxide into sulphur trioxide in the absence of a...

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  14. From where does ozone come in the photochemical smog ?

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  15. How is ozone produced in stratosphere?

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  16. Ozone is a gas hevier than air. Wy does ozone layer not settle down ne...

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  17. Some time ago formation of polar stratospheri clouds reported over Ant...

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