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JEE-Main_2025
290124_(S2)
Question
The truth table for this given circuit is :
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Showing 18 questions
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Statement II:...
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Which of the following molecules does not show stereo isomerism ?
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The number of acyclic structural isomers (including geometrical isomers) for pentene are ____
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QJEE MAIN 20212021
Which one of the following group-15 hydride is the strongest reducing agent ?
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Given below are two statements :
Statement-I : α and β forms of sulphur can change reversibly between themselves with...
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QJEE MAIN 20212021
Which one of the following statements is not true about enzymes ?
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Q JEE MAIN 20212021
The solubility product of $\mathrm{Pbl}_2$ is $8.0 \times 10^{-9}$. The solubility of lead iodide in 0.1 molar solution of lead...
JEE MainChemistryHard
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QJEE MAIN 20222022
In Carius method of estimation of halogen. 0.45 g of an organic compound gave 0.36 g of AgBr. Find out...
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QJEE MAIN 20232023
The number of units, which are used to express concentration of solutions from the following is _______.
Mass percent,...
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QJEE MAIN 20222022
250 g solution of D-glucose in water contains 10.8% of carbon by weight. The molality of the solution is nearest...
JEE MainChemistryHard
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QJEE MAIN 2019 2019
A compound ' $X$ ' on treatment with $\mathrm{Br}_2 / \mathrm{NaOH}$, provided $\mathrm{C}_3 \mathrm{H}_9 \mathrm{~N}$, which gives positive carbylamine test....
JEE MainChemistryMedium
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QJEE MAIN 20232023
In the following reaction, 'A' is
JEE MainChemistryMedium
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QJEE MAIN 20212021
Which one of the following reactions does not occur ?
JEE MainChemistryEasy
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QJEE MAIN 2021 2021
The major products A and B formed in the following reaction sequence are :
JEE MainChemistryEasy
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QJEE MAIN 2021 2021
Correct statement about the given chemical reaction is :
JEE MainChemistryEasy
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QJEE MAIN 2021 2021
Carbylamine test is used to detect the presence of primary amino group in an organic compound. Which of the following...
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QJEE-MAIN 20202020
Three isomers A. B and C (mol. formula $\mathrm{C}_2 \mathrm{H}_7, \mathrm{~N}$ ) give the following results
JEE MainChemistryEasy
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QJEE MAIN 20212021
In the chemical reactions given above A and B respectively are :
JEE MainChemistryEasy
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