Question

left 2.
MCQ with one correct answer
Calculate the volume occupied by 7g of nitrogen gas at 27 °C and 750 mm Hg pressure.
a) 7.8 litre b) 4.2 litre
c) 6.24 litre
d) 10.2 lit
Calculate the moles of Hydrogen present in a 500 cm3 sample of hydrogen gas at a pressure
of 760 mm of Hg and 27 °C.
a) 2.56 X 10-6 mole b) 2.03 X 10-5 mole c) 3.02 X 10 -4 mole
2.03 X 10-2 mole
The density of a gas is found to be 2.07 g L-1 at 30°C and 2 atm pressure. What is its density
at NTP?
a) 1.149 g/L
b) 2.62 g/L
c) 3.52 g/L
d) 7.62 g/L
The density of a gas is 1.946 g dm-3 at 273K and 76cm Hg; The gas is
a) CH
b) CH.
c) CO2
d) Xe
Which one of the following is an ideal gas?
a) Hydrogen
b) Nitrogen
c) CO,
d) None of these
Density of a gas at STP is 2g/L while the expected density is 1.8 g/L assuming its ide
behaviour, then
a) gas behaves ideally
b) forces of attraction are dominant among gas molecules
c) forces of repulsion are dominant among gas molecules d) None of these
Which of the following diagrams correctly describes the behaviour of a fixed mass of​

Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

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