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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
Which one among the following resonating structures is not correct?
JEE Main Chemistry Easy
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Q JEE-MAIN 2021
Two blocks of masses 3 kg and 5 kg are connected by a metal wire going over a smooth pulley. The breaking stress of the...
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Q JEE MAIN 2021
Which one of the following compounds of Group–14 elements is not known?
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Q JEE MAIN 2021
In a Screw Gauge, fifth division of the circular scale coincides with the reference line when the ratchet is closed. There are 50 divisions on...
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Q JEE MAIN 2021
The ionic radii of $\mathrm{K}^{+}, \mathrm{Na}^{+}, \mathrm{Al}^{3+}$ and $\mathrm{Mg2}^{+}$are in the order :
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Q JEE-MAIN 2021
If the length of the pendulum in pendulum clock increases by 0.1%, then the error in time per day is:
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Q JEE MAIN 2021
The correct order of their reactivity towards hydrolysis at room temperature is :
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Q JEE MAIN 2021
The rms speeds of the molecules of Hydrogen, Oxygen and Carbondioxide at the same temperature are $\mathrm{V}_{\mathrm{H}}$, $\mathrm{V}_0$ and $\mathrm{V}_c$ respectively then
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Q JEE MAIN 2021
The water is filled upto height of 12 m in a tank having vertical sidewalls. A hole is made in one of the walls at...
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Q JEE MAIN 2021
Which one of the products of the following reactions does not react with Hinsberg reagent to form sulphonamide?
JEE Main Chemistry Easy
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