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1
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Assertion : Nitrogen and Oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.

Reason : The reaction between nitrogen and oxygen requires high temperature.
A
Both assertion and reason are correct, and the reason is the correct explanation for the assertion
B
Both assertion and reason are correct, but the reason is not the correct explanation for the assertion
C
The assertion is incorrect, but the reason is correct
D
Both the assertion and reason are incorrect
2
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one has the highest boiling point?
A
Ne
B
Kr
C
Xe
D
He
3
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Among the following oxoacids, the correct decreasing order of acid strength is :
A
HClO4 > HClO3 > HClO2 > HOCl
B
HClO2 > HClO4 > HClO3 > HOCl
C
HOCl > HClO2 > HClO3 > HClO4
D
HClO4 > HOCl > HClO3 > HClO2
4
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
The correct statement for the molecule, CsI3 is :
A
it contains Cs3+ and I- ions.
B
it contains Cs+, I- and lattice I2 molecule.
C
it is a covalent molecule
D
it contains Cs+ and $$I_3^-$$ ions
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