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QJEE MAIN 2025
0.1 mol of the following given antiviral compound (P) will weigh _____ $\times {10^{-1}}g$ (nearest integer).
JEE MainChemistryEasy
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QJEE MAIN 2025
Which of the following figure represents the relation between Celsius and Fahrenheit temperatures?
JEE MainPhysicsEasy
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QJEE MAIN 2025
Consider the following equilibrium, $\mathrm{CO}(\mathrm{~g})+2 \mathrm{H}_2(\mathrm{~g}) \rightleftharpoons \mathrm{CH}_3 \mathrm{OH}(\mathrm{~g})$ 0.1 mol of CO along with a catalyst is present in a $2d{m^3}$ flask maintained at...
JEE MainChemistryHard
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QJEE MAIN 2025
In photoelectric effect, the stopping potential $\left(\mathrm{V}_{0}\right) \mathrm{v} / \mathrm{s}$ frequency $(v)$ curve is plotted. (h is the Planck's constant and $\phi_{0}$ is work function...
JEE MainPhysicsMedium
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QJEE MAIN 2025
A transition metal (M) among Mn, Cr, Co and Fe has the highest standard electrode potential $\left( {{M^{3 + }}/{M^{2 + }}} \right)$. It forms...
JEE MainChemistryHard
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QJEE MAIN 2025
Consider the following molecules :
JEE MainChemistryEasy
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QJEE MAIN 2025
The correct order of basic nature in aqueous solution for the bases $N{H_3},{H_2}N - N{H_2},C{H_3}C{H_2}N{H_2},{\left( {C{H_3}C{H_2}} \right)_2}NH$ and ${\left( {C{H_3}C{H_2}} \right)_3}N$ is :
JEE MainChemistryEasy
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QJEE MAIN 2025
The property/properties that show irregularity in first four elements of group-17 is/are : (A) Covalent radius (B) Electron affinity (C) Ionic radius (D) First ionization...
JEE MainChemistryEasy
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QJEE MAIN 2025
Choose the correct tests with respective observations. (A) $CuS{O_4}$ (acidified with acetic acid) $ + {K_4}\left[ {Fe{{(CN)}_6}} \right] \to $ Chocolate brown precipitate. (B) $...
JEE MainChemistryMedium
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QJEE MAIN 2025
Two vessels A and B are connected via stopcock. The vessel A is filled with...
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