[{"id":252546,"question":"Density of a gas increases by","choices":[{"text":"increasing value of R","value":"A"},{"text":"decreasing value of R","value":"B"},{"text":"increasing T","value":"C"},{"text":"decreasing T","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252545,"question":"At higher temperature what is true for gases","choices":[{"text":"pressure is decreased","value":"A"},{"text":"volume is decreased","value":"B"},{"text":"number of moles are decreased","value":"C"},{"text":"KE is increased","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252544,"question":"The volume of a real gas","choices":[{"text":"is constant","value":"A"},{"text":"increases with T decrease","value":"B"},{"text":"becomes zero at absolute zero","value":"C"},{"text":"never becomes zero","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252543,"question":"If volume of an ideal gas at 0C° 536cm3, what is volume at 1°C","choices":[{"text":"373 cm3","value":"A"},{"text":"646 cm3","value":"B"},{"text":"Becomes 0cm3","value":"C"},{"text":"746 cm3","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252542,"question":"Under which condition CO has the maximum molar volume","choices":[{"text":"high T and P","value":"A"},{"text":"Low T and High p","value":"B"},{"text":"high T and low P","value":"C"},{"text":"Low T and low P","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252541,"question":"At higher temperature isotherm of Boyle's law moves away from both axis, is due to increase in:","choices":[{"text":"pressure","value":"A"},{"text":"No. of moles","value":"B"},{"text":"Volume","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252540,"question":"The number of molecules in 22.4 dm3 of gas at 0°C and 1 atm are","choices":[{"text":"6.02×10(23)","value":"A"},{"text":"6.02× 10(25)","value":"B"},{"text":"6.02×10(22)","value":"C"},{"text":"6.02×10(21)","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":252539,"question":"If volume of an ideal gas at 0°C 536cm3, what is volume at 1°C","choices":[{"text":"373 cm3","value":"A"},{"text":"646 cm3","value":"B"},{"text":"Becomes 0cm3","value":"C"},{"text":"746 cm3","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252538,"question":"Under which condition CO has the maximum molar volume.","choices":[{"text":"high T and P","value":"A"},{"text":"Low T and High p","value":"B"},{"text":"high T and low pressure","value":"C"},{"text":"Low T and low P","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252537,"question":"At higher temperature isotherm of Boyle's law moves away from both axis, is due to increase in","choices":[{"text":"pressure","value":"A"},{"text":"No. of moles","value":"B"},{"text":"Volume","value":"C"},{"text":"all of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252536,"question":"The relationship between density and molar mass of a gas is","choices":[{"text":"Directly proportional","value":"A"},{"text":"<sup>Inversly proportional</sup>","value":"B"},{"text":"Straight line","value":"C"},{"text":"Stoichiometric","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":252535,"question":"Charles's law is only obeyed at which temperature scale","choices":[{"text":"Celsius","value":"A"},{"text":"Kelvin","value":"B"},{"text":"Fahrenheit","value":"C"},{"text":"both A&amp;B","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252534,"question":"The actual volume of gas molecules is considered negligible at following pressures","choices":[{"text":"2atm","value":"A"},{"text":"4atm","value":"B"},{"text":"6 atm","value":"C"},{"text":"8 atm","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":252533,"question":"According to the general gas equation, density of an ideal gas depends upon","choices":[{"text":"Pressure","value":"A"},{"text":"Temperature","value":"B"},{"text":"Molar mass of the gas","value":"C"},{"text":"All of the above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252532,"question":"At absolute zero the molecules of hydrogen gas will have","choices":[{"text":"Only translatioral motion","value":"A"},{"text":"Only vibrational motion","value":"B"},{"text":"Only rotational motion","value":"C"},{"text":"All the motion are ceased","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252531,"question":"Which of the statement is applicable for both ideal and real gases molecules?","choices":[{"text":"Have no forces of attraction","value":"A"},{"text":"Collisions between the molecules is elastic","value":"B"},{"text":"Molecules are in random movement","value":"C"},{"text":"The actual volume of gas is negligible as compared to the volume of gas","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252530,"question":"Which of the following is the correct equation to calculate relative molecular mass of a gas","choices":[{"text":"M=mPRTV","value":"A"},{"text":"M=mPR/VT","value":"B"},{"text":"M=PV/mRT","value":"C"},{"text":"M=mRT/PV","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252529,"question":"Gas is enclosed in a container of 20cm3 with the moving piston. According to kinetic theory of gases, what is the effect on freely moving molecules of the gas if temperature is increased from 20°C to 100C.","choices":[{"text":"Colliding capability of molecule will become lower","value":"A"},{"text":"Pressure will become one half","value":"B"},{"text":"Temperature has no effect on freely moving molecules","value":"C"},{"text":"Volume will be increased","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252528,"question":"The mono atomic gases are","choices":[{"text":"Halogens","value":"A"},{"text":"Noble gases","value":"B"},{"text":"6h group elements","value":"C"},{"text":"Nitrogen and oxygen","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252527,"question":"The volume of gas depends upon the------- moleules","choices":[{"text":"Size of","value":"A"},{"text":"Space between","value":"B"},{"text":"Molecular weight","value":"C"},{"text":"both a and b","value":"D"},{"value":"E"}],"correctAnswer":2}]