SCIENCE 6 Q1, THIRD SUMMATIVE TEST

SCIENCE 6 Q1,

THIRD SUMMATIVE TEST

(1-10) Identify the different types of Colloids

​(11-20) Suspension and their characteristics

Multiple Choice

What phenomenon occur when dispersed colloid particles scatter light?

• brownian

• tyndall

• suspension

• colloidal

Multiple Choice

Which of the following is an example of a colloid?

• mayonnaise

• soft drinks

• cooking oil

• salt

Multiple Choice

What example of colloid has dispersed solid particles in gas?

• milk

• smoke

• gelatin

• blood

Multiple Choice

What is the most abundant particle in a colloid?

• dispersing mediums

• miscible

• dispersing phases

• immiscible

Multiple Choice

Why is milk categorized as emulsion?

• because settling cannot separate the components of homogenized milk.

• because settling can separate the components of homogenized milk

• The colloid's particles of milk are larger.

• The colloid's particles are smaller.

Multiple Choice

Soda pop, whipped cream, and beaten egg whites are examples of what type of colloids?

• emulsion

• sol

• aerosol

• foam

Multiple Choice

An _________ is a sol with the continuous phase a gas. Fog is an _________ of

• aerosol

• sol

• emulsion

• foam

Multiple Choice

A colloid is a stable combination of particles of one substance that are dissolved or suspended in a second substance.

• true

• false

• maybe

• none of these

Multiple Choice

An _________ is a sol in which the suspended particles are liquid droplets and the continuous phase is also a liquid. The 2 phases are immiscible, otherwise

a solution would form.

• aerosol

• emulsion

• sol

• foam

Multiple Choice

How would you differentiate a colloid mixture from a solution?

• The colloid's particles are larger.

• The colloid's particles are smaller.

• A colloid has a positive charge.

• A colloid has a negative charge.

Multiple Select

water with oil

• Suspension

• Solution

Multiple Select

rice grains with water

• Suspension

• Solution

Multiple Select

milk

• Suspension

• Solution

Multiple Select

liquid antibiotic

• Suspension

• Solution

Multiple Select

salted water

• Suspension

• Solution

Multiple Choice

A snow globe would be an example of a __________________.

• colloid

• solution

• suspension

Multiple Choice

What type of mixture separates upon standing?

• Solution
• Alloy
• Colloid
• Suspension

Multiple Choice

Which has the largest particles?

• Solution

• Colloids

• Suspension

• None of the above

Multiple Choice

Which one is a suspension?

• oil in water

• soapy water

• air

• brass

Multiple Choice

SUSPENSION is a type of heterogeneous mixture

where solid particles do not dissolve in a liquid

solution. Some of the particles will still float and some will ______

 

• dissolve

• scatter

• settle at the bottom