Methods Of Separation Of Mixtures: Quiz!
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- 1.Which list shows mixtures in which the particles dispersed in water are increasing in size?
- A.
Colloid, solution, suspension
- B.
Solution, colloid, suspension
- C.
Solution, suspension, colloid
- D.
Suspension, colloid, solution
- 2.Which of the following descriptions is correct?
- A.
A suspension contains particles which will not settle out if the suspension is left standing
- B.
A colloid is a 'cloudy' mixture containing particles which will not easily settle out when the colloid is left standing
- C.
A solution consists of a solvent dissolved in a solute
- D.
A mixture consists of two or more pure substances which can only be separated by chemical methods
- 3.Which of the following would not be described as a colloid?
- A.
Saltwater
- B.
Foam
- C.
Fog
- D.
Smoke
- 4.A mixture of iron filings and copper filings could best be separated by:
- A.
Sieving
- B.
Adding water, then filtering
- C.
Magnetic separation
- D.
Distillation
- 5.When coffee powder is dissolved in hot water, the water is:
- A.
The solute
- B.
The solvent
- C.
The solution
- 6.When the coffee powder is dissolved in hot water, the coffee is:
- A.
The solute
- B.
The solvent
- C.
The solution
- 7.When the coffee powder is dissolved in hot water, the mixture of the two is
- A.
A solute
- B.
A solvent
- C.
A solution
- 8.When a mixture is made no new substances are formed.
- A.
True
- B.
False
- 9.In a solution, the solvent is always water.
- A.
True
- B.
False
- 10.Select three examples of colloids.
- A.
Lemonade
- B.
Shaving cream
- C.
Campfire smoke
- D.
Sand and iron filings
- E.
A cup of instant coffee
- F.
Murky pond water
- 11.Select three examples of a solution.
- A.
Lemonade
- B.
Shaving cream
- C.
Salt water
- D.
Sand and iron filings
- E.
A cup of instant coffee
- F.
Murky pond water
- 12.Select three examples of a suspension.
- A.
Sand and water
- B.
Shaving cream
- C.
Salt water
- D.
Engine oil and metal particles
- E.
A snow globe with glitter pieces in liquid that you shake
- F.
Murky pond water
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