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Mdcat-past-papers Quiz

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361. Select the greatest number of particles in the following:



362. Small diffusion in solid is due to:



363. Graph of volume versus total pressure at constant temperature is:



364. The gas law in which the pressure is kept constant is known as:



365. The pressure 14.7 psi is equal to:



366. According to Charles law volume of gas reduces to zero at:



367. When the pressure of a gas is plotted against volume at constant temperature, the curve obtained is known as:



368. Which variable mentioned in ideal gas is assumed to be a constant in other gas laws?



369. The SI unit of pressure is:



370. 760 torr is equal to:



371. For the gaseous phases reaction, when number of moles of reactants and products are equal:



372. Which gas obeys all gas laws?



373. Half atmospheric pressure is:



374. Pressure remaining constant, at which temperature volume of gas will become twice to be volume at 0°C?



375. 1 calorie is equal to:



376. A gas has a volume of 10dm³ at 10°C. At what temperature the volume of the gas is reduced to half?



377. The number of molecules in 22.4dm³ of H₂ gas at 0° and 1atm are:



378. Which of the following is the correct equation to calculate relative molecular mass of a gas?



379. If we want to raise the temperature of one mole of an ideal gas by one kelvin, we have to provide how much amount of energy?



380. The process of heat flow between hotter and colder gases remains continued until all the molecules have equal: