O-LevelChemistryBonding & Structure5070/11 · Oct/Nov 2024 · Q11 Mark
Which row shows both a property of a gas and the correct explanation for this property?
Aproperty: Gases flow easily. explanation for the property: The bonds within the molecules are weak.
Bproperty: The pressure of a sample of gas increases when the volume is decreased. explanation for the property: The particles collide more frequently with the walls of the container.
Cproperty: The volume of a sample of gas increases when the temperature is increased. explanation for the property: The particles in a gas are far apart.
Dproperty: The spread of perfume particles is due to diffusion. explanation for the property: Diffusion is the movement of particles from an area of low concentration to one of high concentration.
✓ Correct answer
B: property: The pressure of a sample of gas increases when the volume is decreased. explanation for the property: The particles collide more frequently with the walls of the container.
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