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2025 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2025
During estimation of nitrogen by Dumas' method of compound ${\rm{X}}(0.42\;{\rm{g}})$ _______ mL of ${{\rm{N}}_2}$ gas...
JEE Main Chemistry Medium
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Not a question post
Not a question post
Q JEE MAIN 2025
Given : $\Delta {{\rm{H}}^ \ominus }{\rm{ sub }}$ $[{\rm{C }}({\rm{graphite}})] = 710\;{\rm{kJ}}\;{\rm{mo}}{{\rm{l}}^{ - 1}}$
${\Delta _{{\rm{C}} - {\rm{H}}}}{{\rm{H}}^ \ominus } = 414\;{\rm{kJ}}\;{\rm{mo}}{{\rm{l}}^{ - 1}}$
$...
JEE Main Chemistry Medium
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Q JEE MAIN 2025
0.5 g of an organic compound on combustion gave 1.46 g of ${\rm{C}}{{\rm{O}}_2}$ and 0.9 g of ${{\rm{H}}_2}{\rm{O}}$. The percentage of carbon in the compound...
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Which compound would give 3-methyl-6-oxoheptanal upon ozonolysis?
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Identify [A] ,[B] and [C] , respectively in the following reaction sequence:
JEE Main Chemistry Easy
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Q JEE MAIN 2025
Given below are two statements:
Statement I : A catalyst cannot alter the equilibrium constant of the reaction, temperature remaining constant.
Statement II : A...
JEE Main Chemistry Easy
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Q JEE MAIN 2025
In the following system, $\mathrm{PCl}_5(\mathrm{~g}) \leftrightharpoons \mathrm{PCl}_3(\mathrm{~g})+\mathrm{Cl}_2(\mathrm{~g})$ at equilibrium, upon addition of xenon gas at constant T & p, the concentration of
JEE Main Chemistry Hard
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Q JEE MAIN 2025
The value of current $I$ in the electrical circuit as given below, when potential at $A$ is equal to the potential at $B$, will be...
JEE Main Physics Medium
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