1
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The correct statement regarding defect in solids is
A
Frenkel defect is usually favoured by a very small difference in the sizes of cations and anions
B
Frenkel defect is a dislocation defect
C
Trapping of proton in the lattice leads to the formation of F-centres.
D
Schottky defect has no effect on the physical properties of solids.
2
KCET 2017
MCQ (Single Correct Answer)
+1
-0
Which of the following crystal has unit cell such that $a \neq b \neq c$ and $\alpha \neq \beta \neq \gamma \neq 90^{\circ}$ ?
A
$\mathrm{NaNO}_3$
B
$\mathrm{K}_2 \mathrm{SO}_4$
C
$\mathrm{KNO}_3$
D
$\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$
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