Environmental Chemistry Quiz Online

Environmental Chemistry concepts are essential to learning for every level in chemistry courses. Here, we have compiled many Environmental Chemistry quizzes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT, ECAT, NUST, NUMS, JEE, NEET).

INSTRUCTIONS:

1. Select the correct option after having confirmation in your mind.
2. Once you select one option, the system will not allow you to change.
3. After your selection, the system will automatically let you know about your answer right or wrong.
4. Use the Next Button to continue to take questions on this particular quiz. Every quiz has multiple questions on multiple pages.
5. On the last page, there will be the Finish Button instead of the Next Button.
6. Press Finish Button to check your consolidated quiz result.
7. You should achieve 70% to pass on a particular quiz after attempting all questions in the quiz.
8. You can try unlimited times to improve your score.
9. Best of luck.

Now, Start taking quiz.

Results

#1. Which of the following is not a condition for the formation of smog?

Sufficient NO

Sufficient NO

Winds

Winds

Sunlight

Sunlight

Sunlight

Sunlight

#2. Incineration of municipal waste is carried out in the temperature range of:

2500C to 5000C

2500C to 5000C

5000C to 9000C

5000C to 9000C

9000C to 10000C

9000C to 10000C

9500C to 13000C

9500C to 13000C

#3. In which of the following layer of atmosphere there is more thickness of ozone layer?

Photosphere

Photosphere

Mesosphere

Mesosphere

Troposphere

Troposphere

Stratosphere

Stratosphere

#4. Which of the following is not primary pollutant:

NO

NO

H2SO4

H2SO4

CO

CO

SO3

SO3

#5. Which of the following air pollutants is more dangerous for ozone layer?

CO2

CO2

CFC

CFC

Oxides of nitrogen

Oxides of nitrogen

CO

CO

#6. Which of the following gases is the main cause of acid rain?

None of The Above

None of The Above

NO2

NO2

CO

CO

Both A & B

Both A & B

#7. Which statement is wrong?

The Amount Of Ozone Layer Is Greater In The Region Close To The Equator

The Amount Of Ozone Layer Is Greater In The Region Close To The Equator

In the Equatorial Region It Acts As Pollutant

In the Equatorial Region It Acts As Pollutant

Cfcs Play Effective Role in Removing O3 in the Stratosphere

Cfcs Play Effective Role in Removing O3 in the Stratosphere

Ozone Acts As Filter for UV Radiations

Ozone Acts As Filter for UV Radiations

#8. Which of the following factors help to measure quality of water?

COD

COD

BOD

BOD

All of the above

All of the above

DO

DO

#9. In the purification of portable water the coagulant used is:

Nickel Sulphate

Nickel Sulphate

Alum

Alum

Copper Sulphate

Copper Sulphate

Barium Sulphate

Barium Sulphate

#10. Newspaper can be recycled again and again how many times?

3

3

2

2

4

4

5

5

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