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MDCAT - UHS Past Papers - Chemistry - Chap No 2 Quiz

Attempt 10 MCQs on MDCAT - UHS Past Papers - Chemistry - Chap No 2 | Quiz 1

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



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



3. 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?



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



5. Which of the following gases has the lowest density under room conditions?



6. The correct ideal gas equation is:



7. All the collisions between the particles of gases are elastic in nature. What is meant by "Elastic collisions".



8. Gas is enclosed in a container of 20 cm³ with the moving piston according to kinetic theory of gases what will be the effect on freely moving molecules of the gas if temp is increased from 20°C to 100°C.



9. A gaseous mixture contains 9.6% NH₃, 22.6% N₂ and 67.8% H₂ gases. If the total pressure is 50 atm, then the partial pressure of H₂ is:



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



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