SACC Form 1 Science Quiz - Mixtures

Compounds are ___________ combined but mixtures are ____________ combined

• chemically, not chemically

• not chemically, chemically

• chemically, chemically

• not chemically, not chemically

What is a mixture?

• a combination of elements to make a new substance

• two or more substances which are nit chemically combined

• a chemically combined substance

In a salt solution which part of the solution is the solute: salt or water?

• water

• salt

• salt water

In a salt solution which part of the solution is the solvent: salt or water?

• salt

• water

• salt water

What does this picture represent?

• heterogenous mixture

• compound

• element

Tick all of the boxes that represent a homogenous mixture

• Kool-Aid

• Sugar water

• Air

• Sand water

• Salad

Tick all the boxes that represent a heterogenous mixture

• air

• mud water

• sea water

• paint

• orange juice

The effect of light in a SOLUTION is that

• it scatters light (tyndall effect)

• it allows light to pass through

• blocks light

The effect of light in a SUSPENSION is that

• it allows light to pass through

• it scatters light (tyndall effect)

• blocks light

The effect of light in a COLLOID is that

• it allows light to pass through

• it scatters light (tyndall effect)

• it blocks light