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Chemistry

Chemistry
Saccharin is made up of

Phenol
Propane
Butane
Toluene

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Chemistry
When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called

None of these
Green house effect
Eutrophication
Smog

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Chemistry
The anode of a dry cell is made up of

Iron
Lead
Cadmium
Zinc

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Chemistry
Iron rusts quickly in

River water
Rain water
Sea water
Distilled water

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Chemistry
The major constituent of air is

hydrogen
carbon dioxide
oxygen
nitrogen

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Chemistry
Ultraviolet radiation striking the earth is due to the depletion of

Carbon dioxide
Carbon monoxide
Oxygen
Ozone

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MORE MCQ ON Chemistry

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