Chemistry IGCSE Mid Term Quiz

 A gas has a no definite shape and ________.

• a definite shape

• a definite volume

• no definite shape

• no definite volume

A liquid has no definite shape and ________. (Imagine the experiment that we have done together)

• a definite shape

• a definite volume

• no definite shape

• no definite volume

Look at the picture above. A solid has ________ and a definite volume.

• a definite shape

• a definite volume

• no definite shape

• no definite volume

Which particle is that and explain how does the movement?

(a)  

Explain about the picture above!

(a)  

How do you separate iron filings from sand?

• You can use a filter.

• You can use a magnet.

• You can use a sieve.

• You can use all of the methods!

What is the process of separating at which the components move at different rates?

• centrifugation

• chromatography

• heating

• decantation

Separating particles based on size.

• chromatography

• decantation

• distillation

• Filtration

Separating mixtures based on boiling points.

• Desalination

• Distillation

• Decantation

• Condensation

What is decantation?

• Distillation

• Desalination

• Separating particles by careful pouring.

• Measuring boiling points.