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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2020
The one that is NOT suitable for the removal of permanent hardness of water is
JEE Main Chemistry Easy
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Q JEE MAIN 2020

Three solid spheres each of mass m and diameter d are stuck together such...
JEE Main Physics Hard
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Q JEE MAIN 2020
Lattice enthalpy and enthalpy of solution of NaCl are $788 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $4 \mathrm{~kJ} \mathrm{~mol}^{-1}$, respectively. The hydration enthalpy of NaCl is
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The strength of an aqueous NaOH solution is most accurately determined by titrating
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The minimum value of $2^{\sin x}+2^{\cos x}$ is :
JEE Main Mathematics Medium
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Q JEE-MAIN 2020
The final major product of the following reaction is
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The aperture diameter of a telescope is 5 m . The separation between the moon and the earth is $4 \times 10^5 \mathrm{~km}$. With light...
JEE Main Physics Hard
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Q JEE MAIN 2020
The rate of a certain biochemical reaction at physiological temperature (T) occurs 106 times faster with enzyme than without. The change in the activation energy...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
If $\mathrm{C}_{\mathrm{r}} \equiv{ }^{25} \mathrm{C}_{\mathrm{r}}$ and $\mathrm{C}_0+5 . \mathrm{C}_1+9 . \mathrm{C}_2+\ldots . .+(101) . \mathrm{C}_{25}= 2^{25} \cdot \mathrm{k}$, then k is equal to $\_\_\_\_$ .
JEE Main Mathematics Medium
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Q JEE-MAIN 2020
Boron and silicon of very high purity can be obtained through
JEE Main Chemistry Easy
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