Chemistry Quiz

Identify what mixtures can be made from.

• Solid, liquids and gases

• Liquids and gases, but not solids

• Liquids only

• Gases only

Select the statement that best describes a mixture of eggs and air while being whisked.

• The amount of time spent whisking eggs makes no difference to the mixture. Its properties don't change.

• The longer eggs are whisked, the more solid they become. This is because more air is being added to the mixture.

• The longer eggs are whisked, the fluffier they become. This is because more air is being added to the mixture.

Learning goal 2: Complete the following sentence. You can increase the runniness of pancake batter by mixing in:

• milk

• flour

• potato

• sugar

Determine whether the following statement is true or false: In both suspensions and colloids, particles of one substance are suspended in another substance.

• True

• False

Identify which of the following sentences are true.

• Colloids do not separate into their components if left to stand

• Suspensions separate into their components if left to stand

Determine which two words complete the sentence correctly. If small particles of rock mixed in water are ________ enough, they will settle out as ________.

• large, sediment

• large, emulsion

• small, sediment

• small, colloid

Determine whether the following statement is true or false: The suspended particles in colloids are smaller than the suspended particles in suspensions.

• True

• False

Madhuri buys a brand of apple juice like that pictured to the right. It has a golden colour and if you shake it you can still see through it clearly. Identify the type of substance apple juice could be classified as.

• a suspension

• a suspension and a colloid

• neither a suspension nor a colloid

• a colloid

Identify which description below applies best to whipped cream.

• A suspension of air suspended in raw milk

• A colloid of liquid cream suspended in air

• A colloid of air suspended in liquid cream

Complete the following sentence. A solution is a type of mixture in which the particles:

• allow light to pass straight through

• are extremely small

• settle out to form a sediment

• scatter light