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Question 1 of 23
1. Question
Green chemistry means such reactions which
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Question 2 of 23
2. Question
Which one of the following statement is not true
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Question 3 of 23
3. Question
Which one of the following statements regarding photochemical smog is not correct
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Question 4 of 23
4. Question
The greenhouse effect can be caused by the presence of the following component present in automobile exhaust
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Question 5 of 23
5. Question
Which one of the following is not a greenhouse gas
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Question 6 of 23
6. Question
The secondary precursors of photochemical smog are
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Question 7 of 23
7. Question
The ozone layer forms naturally by
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Question 8 of 23
8. Question
Which of the following gases is not a greenhouse gas
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Question 9 of 23
9. Question
Which of the following statements is correct
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Question 10 of 23
10. Question
Ozone in stratosphere is depleted by
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Question 11 of 23
11. Question
The recycling of plastic is done by
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Question 12 of 23
12. Question
Dinitrogen and dioxygen are main constituents of air but these do not react with each other to form oxides of nitrogen because
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Question 13 of 23
13. Question
In which type of reaction oxygen is converted into ozone
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Question 14 of 23
14. Question
Classical smong is found in
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Question 15 of 23
15. Question
Which of the following is the coldest region
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Question 16 of 23
16. Question
Which of the following statements is incorrect
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Question 17 of 23
17. Question
Which of the following practices will not come under green chemistry
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Question 18 of 23
18. Question
Biochemical oxygen Demand ,(BOD) is a measure of organic material present in water.BOD value less than 5 ppm indicates a water sample to be
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Question 19 of 23
19. Question
The basic component of photochemical smog is
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Question 20 of 23
20. Question
Atmosphere of big/metropolitan cities is polluted most by
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Question 21 of 23
21. Question
Addition of phosphate fertilizers into water leads to
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Question 22 of 23
22. Question
Surface water contains
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Question 23 of 23
23. Question
Fish die in water bodies polluted by sewage due to
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