Chemical Process Calculation

Ideal Gas

Question 1
Marks : +2 | -2
Pass Ratio : 100%
What is the volume of 20 gms of Oxygen in Litre at standard conditions?
10
12
14
16
Explanation:
At standard conditions, 1 mole of of gas occupy 22.4 litre volume.
Question 2
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Usually while measuring the specific gravity of a gas, the reference gas that is taken is air.
False
True
Depends on the gas
None of the mentioned
Explanation:
Air is usually taken at the same temperature and pressure.
Question 3
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Correct statement is
Gases at low pressure or high temperature behave as an ideal gas
Gases at high pressure or low temperature behave as an ideal gas
Gases at high density behave as an ideal gas
None of the mentioned
Explanation:
Gases at low pressure or high temperature behave as an ideal gas.
Question 4
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For the universal gas constant, (cm3)(atm)/(K)(g mole) is an appropriate unit.
Correct
Incorrect
Can`t say
None of the mentioned
Explanation:
Gas constant = R = PV/nT.
Question 5
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At constant temperature the pressure of an ideal gas is doubled its density becomes
Half
Double
Same
None
Explanation:
Density is proportional to pressure.
Question 6
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Mercury and water (Immiscible) in a same container would represent two different phases.
Correct
Incorrect
Can`t say
None of the mentioned
Explanation:
A compound may consists of one or more than one phase.
Question 7
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A ________ is completely homogeneous and uniform state of matter
Property
State
Phase
None of the mentioned
Explanation:
State of a system gives the condition of a system as specified by its properties.
Question 8
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For an ideal gas, the specific molar volume of the gas is doubled then the pressure would be (Other parameters are same)
Same as before
Double
Half
None of the mentioned
Explanation:
Pressure and specific volumes are inversely proportional.
Question 9
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At standard conditions, what is the volume of 1 kg mole of ideal gas?
22.4 m3
2240 m3
224000 m3
None of the mentioned
Explanation:
V = nRT/P.
Question 10
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Specific molar volume for an ideal gas is
Volume per mass
Volume per molecular weight
Volume per mole
None of the mentioned
Explanation:
Specific molar volume for an ideal gas is Volume per mole.