Methods Of Separating Mixture Quiz
Mixtures and Separating Mixtures
- 1.A mixture has particles that cannot be seen but do reflect light. It should be classified as a ______.
- A.
Homogenous mixture
- B.
Suspension
- C.
Solution
- D.
Colloid
- 2.Select all that apply. Salt dissolved in water is a solution, therefore ______.
- A.
Salt and water are chemically combined
- B.
Salt is not chemically bonded to water
- C.
The quantity of salt to water is fixed
- D.
The ratio of salt to water may vary
- E.
Salt and water retain their own chemical properties
- 3.Select all that apply. Which of the following are homogenous solutions?
- A.
Sugar water
- B.
Air
- C.
Peanuts and water
- D.
An unopened soft drink
- E.
Cement
- 4.Which of the following is a mixture?
- A.
Steel
- B.
Water
- C.
Oxygen
- D.
Gold
- 5.Distillation is used to separate _____.
- A.
Heterogenous mixtures
- B.
Suspensions
- C.
Colloids
- D.
Solutions
- 6.Select all that apply. Why are mixtures (such as sugar in water) not given chemical formulas?
- A.
Their elements are unknown.
- B.
No chemical bonding took place.
- C.
Mixtures do not contain compounds.
- D.
The elements or compounds in the mixtures have no definite proportions.
- 7.Which type of mixture contains the largest particles?
- A.
Solution
- B.
Suspension
- C.
Colloid
- D.
Varies according to the composition of the mixture
- 8.A solid and a liquid are shaken together in a test tube to produce a milky mixture that eventually separates into a clear liquid and a white solid. Which of the following best describes the mixture?
- A.
Solution
- B.
Colloid
- C.
Suspension
- 9.A yellow powder and a blue liquid are shaken together in a test tube to produce a clear green mixture that is all liquid. Which of the following best describes the behavior of the above pair of substances?
- A.
Soluble
- B.
Insoluble
- C.
Miscible
- D.
Immiscible
- 10.The difference between homogenous and hetergenous mixtures is that chemical bonds are formed in homogenous mixtures.
- A.
True
- B.
False
- 11.Which of the following would be best to separate a mixture of sand and stones?
- A.
Magnetism
- B.
Filtration
- C.
Screening
- D.
Separation by density
- 12.Which of the following mixtures could not be separated by filtration?
- A.
Salty water
- B.
Muddy water
- C.
Orange juice with pulp in it
- D.
Dusty air
- 13.All mixtures can be separated by physical processes.
- A.
True
- B.
False
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