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:
- Select the correct option after having confirmation in your mind.
- Once you select one option, the system will not allow you to change.
- After your selection, the system will automatically let you know about your answer right or wrong.
- Use the Next Button to continue to take questions on this particular quiz. Every quiz has multiple questions on multiple pages.
- On the last page, there will be the Finish Button instead of the Next Button.
- Press Finish Button to check your consolidated quiz result.
- You should achieve 70% to pass on a particular quiz after attempting all questions in the quiz.
- You can try unlimited times to improve your score.
- Best of luck.
Now, Start taking quiz.
Results
#1. The main pollutant of leather tanneries in the waste water is:
#2. A single chlorine free radical can destroy how many ozone molecules?
#3. Which substance can be used for disinfecting water?
#4. Chlorination of water may be harmful if the water contains:
#5. Which one of the following makes the bulk of hydrospheres content?
#6. Which of the following is used as water disinfectant to avoid the formation of toxic compounds:
#7. The percentage of suspended solid waste in raw water is removed by coagulation is:
#8. Ozone hole is substantial depletion of ozone in every year during:
#9. The main product of bacterial action is:
#10. Pollutants have adverse effect over:
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