Question 1

Separating a a suspension by waiting for sediments to settle at the bottom of a container is called:

Accepted Answer

decanting

Answer

centrifuging

Answer

filtration

Question 2

A separating funnel can be used to separate:

Accepted Answer

Two liquids of different densities.

Answer

An emulsion of two liquids.

Question 3

You could use a separating funnel to separate:

Accepted Answer

Oil and water.

Answer

Homogenised milk.

Question 4

The process of separating a suspension by spinning it very quickly in a machine is called:

Accepted Answer

Centrifuging

Answer

Decanting

Answer

Filtration

Question 5

An example of a centrifuge in the home is:

Accepted Answer

The spinning barrel in a washing machine.

Answer

The paper of a tea bag.

Answer

A small metal dish with little holes that you put over drain in the kitchen sink.

Question 6

An example of decanting in the home is:

Accepted Answer

Leaving wine in a glass jar so that the sediments fall to the bottom.

Answer

Using a spoon to scoop excess oil off the top of your soup.

Question 7

When we pour coffee through filter paper, it is correct to say that:

Accepted Answer

the filtrate is the liquid coffee

Answer

the filtrate is the coffee grounds that are trapped by the paper

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