Question 1

When a substance is put into a liquid and it does not dissolve, this mixture is called a:

Accepted Answer

suspension

Answer

solution

Question 2

An example of a suspension would be:

Accepted Answer

tea leaves in water

Answer

honey dissolved in water

Question 3

When particles in a suspension settle to the bottom of the mixture, we call them a:

Accepted Answer

sediment

Answer

solute

Question 4

An example of a sediment would be:

Accepted Answer

The dirt settling at the bottom of a swamp.

Answer

The salt in sea water.

Question 5

A sediment is different from a solute because:

Accepted Answer

Sediments are insoluble.

Answer

Sediments are soluble.

Question 6

When sediment gets removed from a suspension by a filter, we call it:

Accepted Answer

residue

Answer

solute

Answer

filtrate

Question 7

The liquid that flows through a filter or sieve is called:

Accepted Answer

filtrate

Answer

residue

Question 8

A colloid (like paint or whipped cream) is different from a suspension because:

Accepted Answer

the particles are too small to settle at the bottom or remove by filtering.

Answer

the particles have dissolved.

Question 9

An emulsion (like mayonnaise) is a colloid where:

Accepted Answer

liquids are spread evenly through each other.

Answer

liquids form distinct layers.

Question 10

An example of an emulsion would be:

Accepted Answer

homogenised milk

Answer

unhomogenised milk (milk with a layer of cream on top)

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