Year 8 separation techniques

Can a mixture be separated? 

• No
• Yes
• Only sometimes

An element can be broken down into simpler substances by...

• physical means
• chemical means
• Both chemical and physical means
• elements can't be broken down

In the distillation apparatus shown, what are the parts labelled A and B?

• A = funnel, B = thermometer
• A = thermometer, B = funnel
• A = Liebig condenser, B = flask
• A = Liebig condenser, B = thermometer

Tags

NGSS.MS-PS1-2

Which one of the following is NOT an example of a separation technique?

• boiling an egg
• fishing net
• surgical mask
•  tea strainer

The diagram shows the apparatus for separating soil and water. What are the labelled parts?

• A = distillate, B = filtrate
• A = filtrate, B = residue
• A = residue, B = filtrate
• A = residue, B = distillate

Water and alcohol are easily separated by distillation because of their

• different densities
• different boiling points
• different colours
• different melting points

Which one of the following is the name for separation technique in the picture below

• distillation
• seiving
• evaporation
• decanting

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

• evaporation
• crystallization
• centrifuge
• chromatography

Tags

NGSS.MS-PS1-4

In the process of evaporation, which one of the following pieces of laboratory apparatus would NOT be used?

• evaporating basin
• filter funnel
• bunsen burner
• Wire gauze

Sand and gravel may be separated from each other through using

• a filter funnel
• leibig condenser
• an evaporating basin
• sieve