a) in a wavy path b) in a straight line path c) with an accelerated velocity d) in a ...
View QuestionWhat volume of hydrogen gas, at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g of elemental boron (atomic mass = 10.8) from the reduction of boron trichloride by hydrogen ?
a) 67.2 L b) 44.8 L c) 22.4 L d) 89.6 L Answer: a Explanation: ...
View QuestionThe heat required to raise the temperature of body by 1 K is called
a) specific heat b) thermal capacity c) water equivalent d) none of these Answer: b Explanation: The heat rquired ...
View QuestionKinetic theory of gases proves
a) only Boyle’s law b) only Charles’ law c) only Avogadro’s law d) All of these Answer: d Explanation: All ...
View QuestionValue of gas constant R is
a) 0.082 litre atm b) \[0.987 cal mol^{-}K^{-1}\] c) \[8.3 J mol^{-}K^{-1}\] d) \[83 erg mol^{-}K^{-1}\] Answer: c Explanation: ...
View QuestionFor an ideal gas, number of moles per litre in terms of its presure P, gas constant R and temperature T is
a) PT/R b) PRT c) P/RT d) RT/P Answer: c Explanation: PV = nRT (number of moles = n/V) n/V ...
View QuestionMaximum deviation from ideal gas is expected from :
a) \[N_{2}\left(g\right)\] b) \[CH_{4}\left(g\right)\] c) \[NH_{3}\left(g\right)\] d) \[H_{2}\left(g\right)\] Answer: c Explanation: Higher the critical temperature more easily will ...
View QuestionA certain gas takes three times as long to effuse out as helium. Its molecular mass will be
a) 27 u b) 36 u c) 64 u d) 9 u Answer: b Explanation: ...
View QuestionA bubble of air is underwater at temperature 15°C and the pressure 1.5 bar. If the bubble rises to the surface where the temperature is 25°C and the pressure is 1.0 bar, what will happen to the volume of the bubble ?
a) Volume will become greater by a factor of 1.6. b) Volume will become greater by a factor ...
View Question