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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
The heat of combustion of ethanol into carbon dioxide and water is -327 kcal at constant pressure. The heat evolved (in cal) at constant volume...
JEE Main Chemistry Medium
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Q JEE MAIN 2020

A spherical mirror is obtained as shown in the figure from a hollow glass...
JEE Main Physics Medium
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Q JEE MAIN 2020
The work function of sodium metal is $4.41 \times 10^{-19} \mathrm{~J}$. If photons of wavelength 300 nm are incident on the metal, the kinetic energy...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
The oxidation states of transition metal atoms in $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7, \mathrm{KMnO}_4$ and $\mathrm{K}_2 \mathrm{FeO}_4$, respectively, are $\mathrm{x}, \mathrm{y}$ and z . The sum of...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The correct observation in the following reactions is :
JEE Main Chemistry Medium
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Q JEE MAIN 2020
The major product of the following reaction is:
JEE Main Chemistry Easy
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Q JEE MAIN 2020
An organic compound ' A ' $\left(\mathrm{C}_9 \mathrm{H}_{10} \mathrm{O}\right)$ when treated with conc. HI undergoes cleavage to yield compounds ' B ' and ' C...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
The shape / structure of $\left[\mathrm{XeF}_5\right]^{-}$and $\mathrm{XeO}_3 \mathrm{~F}_2$, respectively, are
JEE Main Chemistry Easy
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Q JEE Main 2020
If a function f(x) defined by

be continuous for some $a, b, c \in R$...
JEE Main Mathematics Medium
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Q JEE MAIN 2020
Two compounds $A$ and $B$ with same molecular formula $\left(\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}\right)$ undergo Grignard's reaction with methylmagnesium bromide to give products $C$ and $D$. Products...
JEE Main Chemistry Easy
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