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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
The transition element that has lowest enthalpy of atomisation, is
JEE Main Chemistry Easy
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Q JEE MAIN 2019
Let $S$ and $S^{\prime}$ be the foci of an ellipse and $B$ be any one of the extremities of its minor axis. If $...
JEE Main Mathematics Medium
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Q JEE MAIN 2019
The entropy change associated with the conversion of 1 kg of ice at 273 K to water vapours at 383 K is (Specific heat of...
JEE Main Chemistry Medium
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Q JEE-MAIN 2019
Given
Gas H2 CH4 CO2 SO2
Critical 33 190 304 630
Temperature/K On the basis of data given above, predict which of the following gases...
JEE Main Chemistry Easy
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Q JEE MAIN 2019
The integral $\int_1^e\left\{\left(\frac{x}{e}\right)^{2 x}-\left(\frac{e}{x}\right)^x\right\} \log _e x d x$ is equal to
JEE Main Mathematics Medium
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Q JEE MAIN 2019
The metal that forms nitride by reacting directly with $\mathrm{N}_2$ of air, is
JEE Main Chemistry Easy
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Q JEE MAIN 2019
For any given series of spectral lines of atomic hydrogen, let $\Delta \bar{v}=\bar{v}_{\max }-\bar{v}_{\min }$ be the difference in maximum and minimum frequencies in $\mathrm{cm}^{-1}$....
JEE Main Chemistry Medium
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Q JEE MAIN 2019
Which of the following conditions in drinking water causes methemoglobinemia?
JEE Main Chemistry Easy
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Q JEE-MAIN 2019
Water samples with BOD values of 4 ppm and 18 ppm, respectively, are
JEE Main Chemistry Easy
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Q JEE MAIN 2019
If $\sin ^4 \alpha+4 \cos ^4 \beta+2=4 \sqrt{2} \sin \alpha \cos \beta ; \alpha, \beta \in[0, \pi]$, then $\cos (\alpha+\beta)-\cos (\alpha-\beta)$ is equal to
JEE Main Mathematics Medium
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