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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above 373 K leads to an anhydrous white powder Z....
JEE Main Chemistry Easy
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Q JEE Main 2019
A mixture of 100 m mol of $\mathrm{Ca}(\mathrm{OH})_2$ and 2 g of sodium sulphate was dissolved in water and the volume was made up to...
JEE Main Chemistry Medium
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Q JEE MAIN 2019
The given graph shows variation (with distance r from centre) of
JEE Main Physics Medium
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Q JEE MAIN 2019
For the reaction, $$ \begin{aligned} & 2 \mathrm{SO}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{SO}_3(\mathrm{~g}) \\ & \Delta \mathrm{H}=-57.2 \mathrm{~kJ} \mathrm{~mol}^{-1} \text { and } \mathrm{K}_{\mathrm{c}}=1.7 \times 10^{16} ....
JEE Main Chemistry Easy
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Q JEE MAIN 2019
The crystal field stabilization energy (CFSE) of $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_2$ and $\mathrm{K}_2\left[\mathrm{NiCl}_4\right]$, respectively, are :
JEE Main Chemistry Easy
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Q JEE Main 2019
The effect of lanthanoid contraction in the lanthanoid series of elements by and large means
JEE Main Chemistry Easy
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Q JEE MAIN 2019
The force of interaction between two atoms is given by $\mathrm{F}=\alpha \beta \exp \left(-\frac{\mathrm{x}^2}{\alpha \mathrm{kt}}\right)$; where x is the distance, k is the Boltzmann constant...
JEE Main Physics Easy
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Q JEE Main 2019
The correct structure of product ‘P’ in the following reaction is
JEE Main Chemistry Easy
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Q JEE MAIN 2019
Which one of the following graphs between molar conductivity ( $\Lambda_{\mathrm{m}}$ ) versus $\sqrt{\mathrm{C}}$ is correct?
JEE Main Chemistry Hard
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Q JEE MAIN 2019
In the circuit shown,

the switch $S_1$ is closed at time $t=0$ and the switch...
JEE Main Physics Hard
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