WorksheetsMixtures and separation techniques
Total questions: 24
Worksheet time: 12mins
This process allows the fine flour particles to pass through the holes of the strainer while the bigger impurities remain on the strainer. What is this process called?
(a)
True or false: Magnets can be used to separate iron filings from sand
True
False
True or false: Sieving can be used to separate a mixture with two solid components of different sizes
True
False
The air around us is an example of a mixture
True
False
When sugar dissolves in a glass of warm water, the sugar is the_________
Solute
Solvent
What separation technique did you use to separate the iron filings?
Sieving
Filtration
Magnetic separation
What will a liquid change states to if you take away heat?
Gas
Stay a liquid
solid
solution
When a Gas goes to a liquid this is known as ___________
Evaporation
Condensation
Freezing
Melting
Which of the following substances are Insoluble?
Salt
Sugar
Sand
Coffee
The image shows a mixture of concrete nails and saw dusts. What technique is best to use to separate the nails from the saw dusts?
sieving
chromatography
decantation
magnetic separation
Which separation technique is used for trash recycling?
Filtration
Sieving
Magnetic separation
Evaporation
What separation technique is shown here?
Sieving
Magnetic separation
Filtration
Evaopration
Which of the following is not a property of a gas
Usually invisible
fills a container
Incompressible
Expands when heated
Which of the following properties do all the states of matter share?
Incompressible
usually invisible
fills the shape of a container
Expands when heated
How could you seperate salt that has dissolved in water?
FIltration
Evaporation
Sieving
Magnetic separation
This diagram represents the particles of which state of matter
Solid
Liquid
Gas
two pure substances are added together this is known as a (a) .
Which two state of matter fill the shape of a container?
Solid and liquid
Solid and gas
Liquid and gas
none of the above
When foods are dissolved in our stomach through acids. Are the stomach acids the solvent or solute?
Solvent
Solute
HARD: In the air we breathe, which gas is in the largest quantity?
Nitrogen
Oxygen
carbon dioxide
argon
HARD: We looked at dry ice in a previous lesson, Which state of matter does dry ice not exist in
Solid
Liquid
Gas
HARD: What is the gas that is added to soft drink to give it the FIZZ
Carbon dioxide
Oxygen
Nitrogen
Argon
HARD: Which of the following is NOT a Solute that is added to soft drink
Carbon dioxide Gas
Food colouring
Flavouring
Water
HARD: In what week will your investigation take place?
Week 6
Week 7
Week 8
Week 9
