1
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the number of unit cells in 0.9 g metal if it forms bec structure. $\left[\rho \times \mathrm{a}^3=3 \times 10^{-22}\right.$ gram$]$

A
$1.0 \times 10^{21}$
B
$2.0 \times 10^{21}$
C
$3.0 \times 10^{21}$
D
$4.0 \times 10^{21}$
2
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Find the void volume of fcc unit cell in $\mathrm{cm}^3$ if the volume of fcc unit cell $1.25 \times 10^{-22} \mathrm{~cm}^3$.

A
$3.25 \times 10^{-23}$
B
$2.16 \times 10^{-23}$
C
$1.34 \times 10^{-23}$
D
$4.20 \times 10^{-23}$
3
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What type of solid is the silica?

A
Ionic
B
Molecular
C
Covalent
D
Metallic
4
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a solid, $\mathrm{B}^{-}$ions occupy corners of a cube forming ccp structure. If $\mathrm{A}^{+}$ion occupy half the tetrahedral voids, formula of the solid is

A
$\mathrm{A}_2 \mathrm{B}$
B
$\mathrm{AB}_2$
C
$\mathrm{A}_2 \mathrm{B}_3$
D
$\mathrm{A B}$
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