1
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Match List I with List II.
| List I Pollutant |
List II Disease/sickness |
||
|---|---|---|---|
| (A) | Sulphate (>500 ppm) | (I) | Methemoglobinemia |
| (B) | Nitrate (>50 ppm) | (II) | Brown mottling of teeth |
| (C) | Lead (>50 ppb) | (III) | Laxative effect |
| (D) | Fluoride (>2 ppm) | (IV) | Kidney damage |
Choose the correct answer from the options given below :
2
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Given below are two statements: one is labelled as Assertion A and, the other is labelled as Reason R.
Assertion A: [6] Annulene, [8] Annulene and cis-[10] Annulene, are respectively aromatic, not-aromatic and aromatic.
Reason R: Planarity is one of the requirements of aromatic systems.
In the light of the above statements, choose the most appropriate answer from the options given below.
3
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
In the above reaction product B is :
A
B
C
D
4
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Match List I with List II.
| List I Polymers |
List II Commercial names |
||
|---|---|---|---|
| (A) | Phenol-formaldehyde resin | (I) | Glyptal |
| (B) | Copolymer of 1,3-butadiene and sterene | (II) | Novolac |
| (C) | Polyester of glycol and phthalic acid | (III) | Buna-S |
| (D) | Polyester of glycol and terephthalic acid | (IV) | Dacron |
Choose the correct answer from the options given below:
Paper analysis
Total Questions
Chemistry
30
Mathematics
30
Physics
30
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