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QJEE MAIN 2019
The radius of the largest sphere which fits properly at the centre of the edge of a body centred cubic unit cell is : (Edge...
JEE MainPhysicsEasy
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QJEE MAIN 2020
Which of the following compounds is likely to show both Frenkel and Schottky defects in its crystalline form ?
JEE MainChemistryEasy
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QJEE MAIN 2021
The empirical formula for a compound with a cubic close packed arrangement of anions and with cations occupying all the octahedral sites in AxB. The...
JEE MainChemistryEasy
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QJEE MAIN 2019
A compound of formula A2B3 has the hcp lattice. Which atom forms the hcp lattice and what fraction of tetrahedral voids is occupied by the...
JEE MainChemistryEasy
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QJEE MAIN 2021
Given below are two statements. Statement I: Frenkel defects are vacancy as well as interstitial defects. Statement II: Frenkel defect leads to colour...
JEE MainChemistryEasy
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Q_JEE MAIN_2021_
Select the correct statements. (A) Crystalline solids have long range order. (B) Crystalline solids are isotropic. (C) Amorphous solid are sometimes called pseudo solids. (D)...
JEE MainChemistryEasy
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QJEE MAIN 2021
Match List – I with List - II.
JEE MainPhysicsEasy
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QJEE MAIN 2019
Element ‘B’ forms ccp structure and ‘A’ occupies half of the octahedral voids, while oxygen atoms occupy all the tetrahedral voids. The structure of bimetallic...
JEE MainChemistryEasy
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QJEE MAIN 2021
Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Sharp glass...
JEE MainChemistryEasy
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QJEE MAIN 2021
Diamond has a three dimensional structure of C atoms formed by covalent bonds. The structure of diamond has face centred cubic lattice where 50% of...
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