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QJEE-Main_2024
Given below are two statements : Statement I : Most of the mass of the atom and all its positive charge are concentrated in a...
JEE MainPhysicsEasy
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QJEE MAIN 2024
The hydrogen electrode is dipped in a solution of $\mathrm{pH}=3$ at $25^{\circ} \mathrm{C}$. The potential of the electrode will be $...
JEE MainChemistryEasy
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QJEE MAIN 2024
Anomalous behaviour of oxygen is due to its
JEE MainChemistryEasy
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QJEE MAIN 2024
Alkaline oxidative fusion of MnO_2 gives "A" which on electrolytic oxidation in alkaline solution produces B. A and B respectively are :
JEE MainChemistryEasy
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QJEE MAIN 2024
Suppose a uniformly charged wall provides a uniform electric field of $2 \times 10^4 \mathrm{~N} / \mathrm{C}$ normally. A charged particle of mass 2 g...
JEE MainPhysicsMedium
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QJEE MAIN 2024
Given below are two statements: Statement I: Fluorine has most negative electron gain enthalpy in its group. Statement II: Oxygen has least negative electron gain...
JEE MainChemistryEasy
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QJEE MAIN 2024
1 mole of PbS is oxidised by " X " moles of $\mathrm{O}_3$ to get " Y " moles of $\mathrm{O}_2 \cdot \mathrm{X}+\mathrm{Y}=$
JEE MainChemistryEasy
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QJEE-Main_2024
N moles of a polyatomic gas (f=6) must be mixed with two moles of a monoatomic gas so that the mixture behaves as a diatomic...
JEE MainPhysicsMedium
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QJEE MAIN 2024
The orange colour of $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$ and purple colour of $\mathrm{KMnO}_4$ is due to
JEE MainChemistryEasy
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QJEE MAIN 2024
Which one of the following will show geometrical isomerism?
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