States of Matter/Particle Theory

Physical properties of four substances at room temperature(28^o Celsius) are shown.

Which substance(s) will have fast moving particles?

• P only

• R only

• P and S only

• Q and R only

Which substance(s) will be solid?

• P only

• R only

• P and S only

• Q and R only

Which of the following phrases illustrates diffusion?

• Perfume scent throughout the air in a room.

• The random motion of pollen dust in water.

• The swelling of red beans when soaked in water.

• The loss of heat from a hot body to a cold body.

Which of the following processes provide evidence of the particulate nature of matter?

• Diffusion

• Filtration

• Osmosis

Which of the following processes suggests that matter is made up of minute particles?

• Diffusion

• Capillarity

• Evaporation

• Distillation

Which of the following provide evidence of the particulate nature of matter?

• Capillarity

• Diffusion

• Filtration

• Osmosis

Which of the following movements depicts Brownian motion?

• Pollen grains moving at random in water

• Water moving from sea water into brine through cellophane

• The scent of perfume moving through air in a room

• The movement of sugar through the intestine wall

During which portion of the curve is the substance a liquid only?

• I

• II

• III

• IV

Which of the following features is TRUE for particles in a gas?

• Larger when heated

• Further apart when heated

• Very closely packed together

• Strong forces between them

The particles in a gas

• are very closely packed together

• have strong forces between them

• get larger when heated

• can move in any direction