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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
The centre of mass of a solid hemisphere of radius 8 cm is x cm from the centre of the flat surface. Then value of...
JEE Main Physics Easy
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Q JEE MAIN 2020
108 g of silver (molar mass $108 \mathrm{~g} \mathrm{~mol}^{-1}$ ) is deposited at cathode from $\mathrm{AgNO}_3(\mathrm{aq})$ solution by a certain quantity of electricity. The volume...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The hardness of a water sample containing $10^{-3} \mathrm{M} \mathrm{MgSO}_4$ expressed as $\mathrm{CaCO}_3$ equivalents (in ppm) is $\_\_\_\_$ . (molar mass of $\mathrm{MgSO}_4$ is $...
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Q JEE MAIN 2020
JEE Main Physics Easy
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Q JEE MAIN 2020
The molarity of $\mathrm{HNO}_3$ in a sample which has density $1.4 \mathrm{~g} / \mathrm{mL}$ and mass percentage of $63 \%$ is $\_\_\_\_$ (Molecular Weight of...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
How much amount of NaCl should be added to 600 g of water ( $\rho=1.00 \mathrm{~g} / \mathrm{mL}$ ) to decrease the freezing point of...
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Q JEE MAIN 2020
The correct order of heat of combustion for following alkadienes is
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Q JEE MAIN 2020
Consider the force F on a charge ‘q’ due to a uniformly charged spherical shell of radius R carrying charge Q distributed uniformly over it....
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Q JEE MAIN 2020
For following reactions
$\begin{aligned} & A \xrightarrow{700 \mathrm{~K}} \text { Product } \\ & A \xrightarrow[\text { catalyst }]{500 \mathrm{~K}} \text { Product }\end{aligned}$...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
B has a smaller first ionization enthalpy than Be. Consider the following statements.
(I) It is easier to remove 2p electron than 2s electron...
JEE Main Chemistry Easy
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