IIT JEE/IIT JEE Environmental Chemistry set 2 Sample Test,Sample questions

Question:
COD refers to





1.Chmical oxygen demand

2.Chemistry of diamonds

3.Catalysed oxidation of diamond

4.Catalysed oxidation of dussilved salts.


Question:
Earth is protected from U.V. radiations by




1.Carbon dioxide layer

2.Oxygen layer

3.Ozone layer

4.Troposphere.


Question:
Green chemistry refers to




1.Chemistry of plants

2.Chemistry of green pigments

3.Development of chemical products and processes less harmful to humans

4.Chemistry of geen house effect.


Question:
Oxides os sulphur and nitrogen ae important pollutants of



1.Water

2.Air

3.Soil

4.All the above


Question:
Spraying of DDT produces pollution of




1.Air

2.Air and water

3.Air and soil

4.Air water and soil.


Question:
Water pollution is mainly due to which of the following ?




1.Sulphur dioxide

2.Carbon dioxide

3.Oxygen

4.Industrial effluents


Question:
Which among the following is biodegradable pollutant?




1.Polythene

2.Asbestos

3.Sewage waste

4.Mercury


Question:
Which is most harmful for life on the globe ?




1.Deforestation

2.Soil erosion

3.Increasing deserts

4.Nuclear fallout.


Question:
Which is most harmful for life on the globe ?



Increasing dese+A9rts

1.Deforestation

2.Soil erosion

3.Increasing dese+A9rts

4.Nuclear fallout.


Question:
Which of the following does not pertain to biosphere ?




1.Hydrosphere

2.Lithosphere

3.Thermosphere

4.Atmosphere


Question:
Which of the following does not pertain to biosphere ?




.

1.Hydrosphere

2.Lithosphere

3.Thermosphere

4.Atmosphere


Question:
Which of the following is not a chemical pollutant ?




1.Solid waste

2.Noise

3.Insecticides

4.Liquid waste.


Question:
Which of the following is not a chemical pollutant ?




1.Solid waste

2.Noise

3.Insecticides

4.Liquid waste.


Question:
Which of the following substance is not present in acid rain ?




1.Sulphuric acid

2.Nitric acid

3.Sulphurous acid

4.Acetic acid


Question:
Which of the following substance is not present in acid rain ?


1.Sulphuric acid

2.Nitric acid

3.Sulphurous acid

4.Acetic acid


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