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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
BOD values (in ppm) for clean water (A) and polluted water (B) are expected respectively :
JEE Main Chemistry Easy
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Q JEE MAIN 2021
The magnetic field vector of an electromagnetic wave is given by $B=B \circ \frac{i+j}{\sqrt{2}} \cos (k z-\omega t)$; where ${ }^{\hat{i}, \hat{j}}$ represents unit vector...
JEE Main Physics Medium
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Q JEE-MAIN 2021
Experimentally reducing a functional group cannot be done by which one of the following reagents ?
JEE Main Physics Easy
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Q JEE MAIN 2021
Which one of the following 0.10 M aqueous solutions will exhibit the largest freezing point depression ?
JEE Main Chemistry Easy
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Q JEE MAIN 2021
Consider two separate ideal gases of electrons and protons having same number of particles. The temperature of both the gases are same. The ratio of...
JEE Main Physics Medium
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Q JEE MAIN 2021
If velocity [V], time [T] and force [F] are chosen as the base quantities, the dimensions of the mass will be :
JEE Main Physics Easy
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Q JEE MAIN 2021
A man starts walking from the point $P(-3,4)$, touches the $x$-axis at $R$, and then turns to reach at the point $Q(0$, 2). The man...
JEE Main Mathematics Medium
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Q JEE-MAIN 2021
Calamine and Malachite, respectively, are the ores of :
JEE Main Physics Easy
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Q JEE MAIN 2021
Given below are two statements ; one is labelled as Assertion (A) and the other is labelled as Reason (R)
Assertion (A) : A...
JEE Main Chemistry Medium
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Q JEE MAIN 2021
Which one of the following compounds is aromatic in nature ?
JEE Main Chemistry Easy
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