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QJEE MAIN 2019
At $100^{\circ} \mathrm{C}$, copper $(\mathrm{Cu})$ has FCC unit cell structure with cell edge length of $\mathrm{x} \AA$. What is the approximate density of Cu (in...
JEE MainChemistryEasy
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QJEE MAIN 2019
A solid having density of $9 \times 10^3 \mathrm{~kg} \mathrm{~m}^{-3}$ forms face centred cubic crystals of edge length $200 \sqrt{2} \mathrm{pm}$. What is the molar...
JEE MainChemistryEasy
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QJEE Main 2019
To get output ‘1’ at R, for the given logic gate circuit the input values must be JEE MainPhysicsMedium
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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)...
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