States of Matter - Topic Wise Multiple Choice Questions (MCQ)
1 )
A gas expanse through a porons plug and exhibits cooling if its temperature is
More than inversion temperature
Less than inversion temperature ✔
Less than critical temperature
Less than Boyle’s temperature
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2 )
The value of universal gas constant R depends upon the
Temperature of the gas
Volume of the gas
Number moles of the gas
None of these ✔
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3 )
A gas behaves like an ideal gas at
High pressure and low temperature ✔
High pressure and high temperature
At low pressure and increasing in volume
Decreasing velocity by lowering temperature
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4 )
The ratio of van der Waals’ constants a and b has the dimensions of
atm mole^(-1)
L mole^(-1)
atm . L mole^(-1) ✔
atm mole^(-2)
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5 )
What is value of Boyle’s temperature of ethane gas when a= 5.489 dm6 atm mol-2 and b = 0.0638 dm3 atm mol-1
1048K ✔
104.8K
209.6K
290.6K
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