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QJEE MAIN 2024
Which of the following material is not a semiconductor.
JEE MainChemistryEasy
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QJEE MAIN 2024
Given below are two statements : Statement I : Gallium is used in the manufacturing of thermometers. Statement II : A thermometer containing gallium is...
JEE MainChemistryEasy
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QJEE MAIN 2024
Given below are two statements : Statement I: In group 13, the stability of +1 oxidation state increases down the group. Statement II: The atomic...
JEE MainChemistryEasy
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QJEE MAIN 2024
Consider the oxides of group 14 elements
SiO_2,GeO_2,SnO_2,PbO_2,CO and GeO. The amphoteric oxides are
JEE MainPhysicsEasy
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QJEE MAIN 2024
Identify the incorrect pair from the following:
JEE MainChemistryEasy
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QJEE MAIN 2024
The correct sequence of electron gain enthalpy of the elements listed below is A. Ar B. Br C. F D. S Choose the most appropriate...
JEE MainChemistryHard
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QJEE MAIN 2024
Given below are two statements : Statement I : The electronegativity of group 14 elements from Si to Pb gradually decreases. Statement II : Group...
JEE MainChemistryMedium
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QJEE MAIN 2024
Give below are two statements: Statement-I : Noble gases have very high boiling points. Statement-II: Noble gases are monoatomic gases. They are held together by...
JEE MainChemistryEasy
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QJEE MAIN 2024
Given below are the two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A): There is a...
JEE MainChemistryEasy
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QJEE MAIN 2024
From the given list, the number of compounds with +4 oxidation state of Sulphur
$\mathrm{SO}_3, \mathrm{H}_2 \mathrm{SO}_3, \mathrm{SOCl}_2, \mathrm{SF}_4, \mathrm{BaSO}_4, \mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_7$
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