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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2019
The molecule that has minimum/no role in the formation of photochemical smog, is
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Q JEE MAIN 2019
$\lim _{n \rightarrow \infty}\left(\frac{n}{n^2+1^2}+\frac{n}{n^2+2^2}+\frac{n}{n^2+3^2}+\ldots \ldots+\frac{1}{5 n}\right)$ is equal to :
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Q JEE MAIN 2019
A solution containing 62 g ethylene glycol in 250 g water is cooled to $-10^{\circ} \mathrm{C}$. If $\mathrm{K}_{\mathrm{f}}$ for water is $1.86 \mathrm{Kkg} \mathrm{mol}^{-1}$, the...
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Q JEE MAIN_2019_
The principle of column chromatography is:
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Q JEE MAIN 2019
The INCORRECT statement is :
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Q JEE MAIN 2019
The given plots represent the variation of the concentration of a reactant R with time for two different reactions (i) and (ii). The respective orders...
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Q JEE-MAIN 2019
Poly- $\beta$-hydroxybutyrate-co- $\beta$-hydroxyvalerate (PHBV) is a copolymer of $\_\_\_\_$ .
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Q JEE MAIN 2019
If a circle of radius R pases through the origin O and intersects the coordinate axes at A and B, then the locus of the...
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Q JEE MAIN_2019_
Which of the following is a condensation polymer?
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Q JEE MAIN_2019_
The graph between $|\psi|^2$ and r(radial distance) is shown below. This represents i.
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