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1
JEE Main 2023 (Online) 15th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The possibility of photochemical smog formation will be minimum at :
2
JEE Main 2023 (Online) 13th April Evening Shift
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Which of the following are the Green house gases?
A. Water vapour
B. Ozone
C. I$$_2$$
D. Molecular hydrogen
Choose the most appropriate answer from the options given below :
3
JEE Main 2023 (Online) 13th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The radical which mainly causes ozone depletion in the presence of UV radiations is :
4
JEE Main 2023 (Online) 12th April Morning Shift
MCQ (Single Correct Answer)
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-1
Out of Syllabus
Match List I with List II
| LIST I | LIST II | ||
|---|---|---|---|
| A. | Nitrogen oxides in air | I. | Eutrophication |
| B. | Methane in air | II. | pH of rain water becomes 5.6 |
| C. | Carbon dioxide | III. | Global warming |
| D. | Phosphate fertilisers in water | IV. | Acid rain |
Choose the correct answer from the options given below :
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