1
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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In stratosphere most of the ozone formation is assisted by :
A
cosmic rays
B
$$\gamma$$-rays
C
ultraviolet radiation
D
visible radiations
2
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The compound/s which will show significant intermolecular H-bonding is/are :

JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Basics of Organic Chemistry Question 89 English
A
(b) only
B
(c) only
C
(a) and (b) only
D
(a), (b) and (c)
3
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which one of the following chemicals is responsible for the production of HCl in the stomach leading to irritation and pain?
A
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Chemistry in Everyday Life Question 44 English Option 1
B
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Chemistry in Everyday Life Question 44 English Option 2
C
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Chemistry in Everyday Life Question 44 English Option 3
D
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Chemistry in Everyday Life Question 44 English Option 4
4
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The oxide that gives H2O2 most readily on treatment with H2O is :
A
PbO2
B
Na2O2
C
SnO2
D
BaO2 . 8H2O
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