1
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
The predominant form of histamine present in human blood is (pKa, Histidine = 6.0)
A
B
C
D
2
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
The trans-alkenes are formed by the reduction of alkynes with
3
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Total number of lone pair of electrons in $${\rm I}_3^ - $$ ion is
4
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
If the system of linear equations
x + ky + 3z = 0
3x + ky - 2z = 0
2x + 4y - 3z = 0
has a non-zero solution (x, y, z), then $${{xz} \over {{y^2}}}$$ is equal to
x + ky + 3z = 0
3x + ky - 2z = 0
2x + 4y - 3z = 0
has a non-zero solution (x, y, z), then $${{xz} \over {{y^2}}}$$ is equal to
Paper Analysis
Total Questions
Chemistry 26
Mathematics 18
Physics 27
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