1
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the packing efficiency of silver metal in its unit cell?

A
$$52.4 \%$$
B
$$68.0 \%$$
C
$$32.0 \%$$
D
$$74.0 \%$$
2
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following polymers is obtained from $$\mathrm{C}_2 \mathrm{~F}_4$$ ?

A
$$\mathrm{PVC}$$
B
Polyisobutylene
C
Polyacrylonitrile
D
Teflon
3
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate current in ampere required to deposit $$4.8 \mathrm{~g} ~\mathrm{Cu}$$ from it's salt solution in 30 minutes. [Molar mass of $$\mathrm{Cu}=63.5 \mathrm{~g} \mathrm{~mol}^{-1}$$ ]

A
8.1 ampere
B
6.4 ampere
C
10.5 ampere
D
12.3 ampere
4
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify number of moles of donor atoms in $$2 \mathrm{n}$$ mole of $$\mathrm{SCN}^{-}$$.

A
3n
B
6n
C
4n
D
n
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