1
MHT CET 2025 21st April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the SI unit of rate of diffusion for a gas?

A
$\mathrm{dm}^{-3} \mathrm{~s}$
B
$\mathrm{dm}^3 \mathrm{~s}^{-1}$
C
$\mathrm{mL}^{-1} \mathrm{~s}^{-1}$
D
mL s
2
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

A container consisting mixture of $28 \mathrm{~g} \mathrm{~N}_2, 8 \mathrm{~g} \mathrm{He}$ and 40 g Ne at $25^{\circ} \mathrm{C}$. If the total pressure exerted by the gaseous mixture is 20 bar , What is the partial pressure exerted by $\mathrm{N}_2$ ?

A
2 bar
B
5 bar
C
4 bar
D
8 bar
3
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

If compressibility factor of real gas is 1.05 at STP. What is molar volume of real gas?

A
$22.40 \mathrm{dm}^3$
B
$21.33 \mathrm{dm}^3$
C
$23.52 \mathrm{dm}^3$
D
$23.05 \mathrm{dm}^3$
4
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following is true according to Gay-Lussac's law?

A
$\frac{\mathrm{V}}{\mathrm{T}}=$ constant at constant pressure and for fixed mass of gas.
B
$\frac{\mathrm{P}}{\mathrm{d}}=$ constant at constant temperature and fixed mass of gas.
C
$\frac{\mathrm{P}}{\mathrm{T}}=$ constant at constant volume and fixed mass of gas.
D
$\quad \mathrm{P} \times \mathrm{V}=$ constant at constant temperature and for fixed mass of gas.
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