1
JEE Main 2020 (Online) 9th January Morning Slot
Numerical
+4
-0
The molarity of HNO3 in a sample which has
density 1.4 g/mL and mass percentage of 63%
is _____.
(Molecular Weight of HNO3 = 63)
(Molecular Weight of HNO3 = 63)
Your input ____
2
JEE Main 2020 (Online) 9th January Morning Slot
Numerical
+4
-0
The hardness of a water sample containing
10–3 M MgSO4 expressed as CaCO3 equivalents
(in ppm) is ______.
(molar mass of MgSO4 is 120.37 g/mol)
(molar mass of MgSO4 is 120.37 g/mol)
Your input ____
3
JEE Main 2020 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
The major product (Y) in the following
reactions is :
A
B
C
D
4
JEE Main 2020 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
The de Broglie wavelength of an electron in the
4th Bohr orbit is :
Paper analysis
Total Questions
Chemistry
22
Mathematics
20
Physics
25
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