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PRADEEP-ENVIRONMENTAL CHEMISTRY-NCERT EXEMPLAR PROBLEMS (SHORT ANSWER)
- Green house effect leads to global warming. Which substances are respo...
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- Acid rain is known to contain some acids. Name these acids and where f...
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- Ozone is a toxic gas and is a strong oxidising agent even then its pre...
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- Dissolved oxygen in wate is very important for aquatic life. What proc...
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- On the basis of chemical reactions involved, explain how do chloroflu...
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- What could be the harmful effects of improper management of industrial...
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- During an educational trip, a student of botany saw a beautiful lake i...
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- What are biodegradable and non-biodegradable pollutants ?
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- What are the sources of dissolved oxygen in water ?
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- What is the importance of measuring BOD of a water body ?
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- Why does water covered with excessive algal growth become polluted ?
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- A factory was started near a village. Suddenly villagers started feeli...
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- Oxidation of sulphur dioxide into sulphur trioxide in the absence of a...
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- From where does ozone come in the photochemical smog ?
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- How is ozone produced in stratosphere?
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- Ozone is a gas hevier than air. Wy does ozone layer not settle down ne...
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- Some time ago formation of polar stratospheri clouds reported over Ant...
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- A person was using water supplied by Municipality. Due to shortage of ...
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