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5/50 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Gaseous State
Which type of substance would you expect to have the lowest molar enthalpy of fusion?
If the volume of a gas is kept constant, and its temperature is decreased, what happens to its pressure?
The kinetic energy of gas particles is directly proportional to:
How many times faster would hydrogen gas (H₂, molar mass 2 g/mol) diffuse compared to oxygen gas (O₂, molar mass 32 g/mol) at the same temperature and pressure?
A substance has a very low molar enthalpy of evaporation. This suggests that its particles are held together by: