SNC1WS Chapter 5 Quiz (20Q)

According to the particle theory of matter, the particles of a substance

• move faster as temperature decreases

• repel each other

• are in constant, random motion

• are the same regardless of what type of substance it is

A substance is heated. The particles gain energy and begin moving faster and sliding past each other because the attraction between the particles can no longer hold them together. In what state is the substance?

• solid

• liquid

• gas

• none of the above

Milk is an example of a(n)

• pure substance

• mechanical mixture

• solution

• alloy

A uniform mixture of two or more substances is called a(n)

• pure substance

• mechanical mixture

• solution

• alloy

All of the following are examples of physical properties, except

• lustre

• optical clarity

• brittleness

• ability to burn

Which of the following is an example of a qualitative property?

• odour

• temperature

• height

• mass

The degree to which a fluid resists flow is called

• lustre

• optical clarity

• brittleness

• viscosity

The ability of a substance to be hammered into a thinner sheet or molded is called

• hardness

• malleability

• ductility

• conductivity

Which of the following is an example of a chemical property?

• lustre

• density

• boiling point

• bleaching ability

All of the following are evidence of a chemical change, except

• a. a change of colour

• b. a change of state

• c. a change of odour

• d. presence of a precipitate