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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
if the sum of the first 15 terms of the series $\left(\frac{3}{4}\right)^3+\left(1 \frac{1}{2}\right)^3+\left(2 \frac{1}{4}\right)^3+3^3+\left(3 \frac{3}{4}\right)^3+\ldots$. is equal to $225 k$, then $k$ is equal to...
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Q JEE MAIN 2019
The compound used in the treatment of lead poisoning is :
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Q JEE MAIN 2019
The correct statement regarding the given Ellingham diagram is
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Q JEE-MAIN 2019
The standard electrode potential $E^{\circ}$ and its temperature coefficient $\left(\frac{d E^{\circ}}{d T}\right)$ for a cell are $2 V$ and $-5 \times 10^{-4} V K^{-1}$ at...
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Q JEE MAIN 2019
$\lim _{x \rightarrow 1} \frac{\sqrt{\pi}-\sqrt{2 \sin ^{-1} x}}{\sqrt{1-x}}$ is equal to :
JEE Main Mathematics Medium
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Q JEE MAIN_2019_
A bacterial infection in an internal wound grows as $\mathrm{N}^{\prime}(\mathrm{t})=\mathrm{N}_0 \exp (\mathrm{t})$, where the time t is in hours. A dose of antibiotic, taken orally,...
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Q JEE-MAIN 2019
Two solids dissociate as follows
$\begin{aligned} & \mathrm{A}(\mathrm{s}) \rightleftharpoons \mathrm{B}(\mathrm{g})+\mathrm{C}(\mathrm{g}) ; \mathrm{K}_{\mathrm{P}_1}=\mathrm{x} \mathrm{atm}^2 \\ & \mathrm{D}(\mathrm{s}) \rightleftharpoons \mathrm{C}(\mathrm{g})+\mathrm{E}(\mathrm{g}) ; \mathrm{K}_{\mathrm{P}_2}=\mathrm{yatm}^2\end{aligned}$ The total pressure when both...
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Q JEE MAIN 2019
At $100^{\circ} \mathrm{C}$, copper $(\mathrm{Cu})$ has FCC unit cell structure with cell edge length of $\mathrm{x} \AA$. What is the approximate density of Cu (in...
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Q JEE MAIN 2019
The decreasing order of electrical conductivity of the following aqueous solutions is:
0.1 M Formic acid (A),
0.1 M Acetic acid (B),
0.1 M Benzoic...
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Q JEE MAIN_2019_
Amylopectin is composed of
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