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2023 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2023
Which one of the following sets of ions represents a collection of isoelectronic species? (Given : Atomic Number : $...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
An organic compound undergoes first order decomposition. If the time taken for the 60% decomposition is 540 s, then the time required for 90% decomposition...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
Match List I with List II:

Choose the correct answer from the options given below :
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Q JEE MAIN 2023
A. During charging of battery, PbSO4 on anode is converted into $\mathrm{PbO}_2$
. B. During charging of battery, PbSO4 on cathode is converted into $\mathrm{PbO}_2$...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
On heating, $\mathrm{LiNO}_3$ gives how many compounds among the following? $\mathrm{Li}_2 \mathrm{O}, \mathrm{N}_2, \mathrm{O}_2, \mathrm{LiNO}_2, \mathrm{NO}_2 \mid$
JEE Main Chemistry Easy
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Q JEE MAIN 2023
A modulating signal is a square wave, as shown in the figure.

If...
JEE Main Physics Easy
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Q JEE MAIN 2023
Iron oxide FeO , crystallises in a cubic lattice with a unit cell edge length of 5.0 A . If density of the FeO in...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
Match List I with List II.

Choose the correct answer from the options given below...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
1 mole of ideal gas is allowed to expand reversibly and adiabatically from a temperature of $27^{\circ} \mathrm{C}$. The work done is $3 \mathrm{~kJ} \mathrm{~mol}^{-1}$....
JEE Main Chemistry Medium
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Q JEE MAIN 2023
28.0 L of $\mathrm{CO}_2$ is produced on complete combustion of 16.8 L gaseous mixture of ethane and methane at $25^{\circ} \mathrm{C}$ and 1 atm ....
JEE Main Chemistry Easy
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