States of Matter · Chemistry · TS EAMCET
MCQ (Single Correct Answer)
1
At what temperature will the RMS velocity of sulphur dioxide molecules at 400 K be the same as the most probable velocity of oxygen molecules?
TG EAPCET 2024 (Online) 11th May Morning Shift
2
The variation of volume of an ideal gas with its number of moles $(n)$ is obtained as a graph at 300 K and 1 atm pressure. What is the slope of the graph ?
TG EAPCET 2024 (Online) 10th May Evening Shift
3
At 400 K , an ideal gas is enclosed in a $0.5 \mathrm{~m}^3$ vessel at pressure of 203 kPa . What is the change in temperature required (in K ), if it occupies a volume of $0.2 \mathrm{~m}^3$ under a pressure of 304 kPa ? (Nearest interger)
TG EAPCET 2024 (Online) 10th May Morning Shift
4
If the density of a mixture of nitrogen and oxygen gases at 400 K and l atm pressure is $0.920 \mathrm{gL}^{-1}$, what is the mole fraction of nitrogen in the mixture?
( $R=0.082 \mathrm{~L} \mathrm{~atm} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$; assume ideal gas behaviour for oxygen and nitrogen)
TG EAPCET 2024 (Online) 9th May Evening Shift
5
An open vessel containing air was heated from $27^{\circ} \mathrm{C}$ to $727^{\circ} \mathrm{C}$. Some air was expelled. What is the fraction of air remaining in the vessel ? (Assume air as an ideal gas.)
TG EAPCET 2024 (Online) 9th May Morning Shift