1
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following is nonconductor of electricity?

A
Solid sodium chloride
B
Aqueous potassium chloride
C
Graphite (s)
D
Copper metal (s)
2
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the number of unit cells in 0.79 g metal if product of density and volume of unit cell is $1.58 \times 10^{-22} \mathrm{~g}$.

A
$3.96 \times 10^{21}$
B
$1.72 \times 10^{21}$
C
$4.46 \times 10^{21}$
D
$5.0 \times 10^{21}$
3
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Calculate the number of atoms in 1 g metal if it forms fcc crystal structure. $\left[\rho \times \mathrm{a}^3=1.728 \times 10^{-22} \mathrm{~g}\right]$
A
$2.315 \times 10^{22}$
B
$3.156 \times 10^{22}$
C
$4.108 \times 10^{22}$
D
$1.452 \times 10^{22}$
4
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the volume occupied by all particles in bcc unit cell if the volume of unit cell is $8.0 \times 10^{-23} \mathrm{~cm}^3$.

A
$3.19 \times 10^{-23} \mathrm{~cm}^3$
B
$2.72 \times 10^{-23} \mathrm{~cm}^3$
C
$5.44 \times 10^{-23} \mathrm{~cm}^3$
D
$1.48 \times 10^{-23} \mathrm{~cm}^3$
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