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QJEE MAIN 2025
Mass of magnesium required to produce 220 mL of hydrogen gas at STP on reaction with excess of dil. HCl is Given: Molar mass of...
JEE MainChemistryEasy
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QJEE MAIN 2025
A block of mass 25 kg is pulled along a horizontal surface by a force at an angle with the horizontal. The friction coefficient between...
JEE MainPhysicsMedium
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QJEE MAIN_2025
An ideal gas exists in a state with pressure $P_0$, volume $V_0$. It is isothermally expanded to 4 times of its initial volume $\left(\mathrm{V}_0\right)$, then...
JEE MainPhysicsEasy
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QJEE MAIN 2025
he sequence from the following that would result in giving predominantly 3,4,5 Tribromoaniline is :
JEE MainChemistryHard
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QJEE MAIN 2025
In an electromagnetic system, a quantity defined as the ratio of electric dipole moment and magnetic dipole moment has dimension of $\left[\mathrm{M}^{\mathrm{P}} \mathrm{L}^{\mathrm{Q}} \mathrm{T}^{\mathrm{R}} \mathrm{A}^5\right]$....
JEE MainPhysicsEasy
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QJEE MAIN 2025
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Refractive index...
JEE MainPhysicsEasy
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QJEE MAIN 2025
In the following series of reactions identify the major products A & B respectively
JEE MainChemistryEasy
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QJEE MAIN 2025
A metallic ring is uniformly charged as shown in figure. AC and BD are two mutually perpendicular diameters. Electric field due to arc AB at...
JEE MainPhysicsMedium
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QJEE MAIN_2025
A monochromatic light of frequency $5 \times 10^{14} \mathrm{~Hz}$ travelling through air, is incident on a medium of refractive index ' 2 '. Wavelength of...
JEE MainPhysicsEasy
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QJEE MAIN 2025
Match List - I with List - II. Choose the correct answer from the options...
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