Chemistry 0620 · IGCSE · Solids, liquids and gases

Solids, liquids and gases — practice question

The pressure of a gas sample is reduced. The temperature is maintained at a constant value. Which row shows the effect on the particles?

  • Amovement of particles: slower; collisions between particles: occur less often
  • Bmovement of particles: slower; collisions between particles: occur with more force
  • Cmovement of particles: no change in speed; collisions between particles: occur less often
  • Dmovement of particles: no change in speed; collisions between particles: occur with more force

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