Chapter 3 Test - Chemistry
- 1.Describe solids, liquids, and gases in terms of density, shape, and volume.
- 2.Compare and contrast a pure substance with a mixture.
- 3.Suggest a procedure to separate the following mixture: iron filings, table salt, marbles, and sawdust. Explain why this procedure works.
- 4.Which of the following best describes the particles of a liquid?
- A.
The particles are far apart and moving fast.
- B.
The particles are close together but moving past each other.
- C.
The particles are far apart and moving slowly.
- D.
The particles are closely packed and vibrate in place.
- 5.Boiling points and freezing points are examples of
- A.
Chemical properties.
- B.
Physical properties.
- C.
Energy.
- D.
Matter.
- 6.Which of the following describes what happens as the temperature of a gas in a balloon increases?
- A.
The speed of the particles decreases.
- B.
The volume of the gas increases and the speed of the particles increases.
- C.
The volume decreases.
- D.
The pressure decreases.
- 7.The atoms and molecules in matter
- A.
Are attracted to one another.
- B.
Are constantly moving.
- C.
Move faster at higher temperatures.
- D.
All of the above
- 8.Which of the following occurs when a liquid becomes a gas?
- A.
The particles give off energy.
- B.
The particles break away from one another.
- C.
The particles move closer together.
- D.
The particles slow down.
- 9.The four most familiar states of matter are
- A.
Solid, liquid, gas, and sublimation.
- B.
Melting, freezing, vaporization, and condensation.
- C.
Solid, liquid, gas, and plasma.
- D.
Crystalline, amorphous, endothermic, and exothermic.
- 10.In a gaseous state, particles
- A.
Move independently of one another.
- B.
Move fast enough to break away completely from one another.
- C.
Have empty space between them.
- D.
All of the above
- 11.____ do NOT change shape in different containers.
- A.
Solids
- B.
Liquids
- C.
Gases
- D.
Plasmas
- 12.You can cause water to change state by removing or adding
- A.
Matter.
- B.
Particles.
- C.
Energy.
- D.
Surface tension.
- 13.The temperature at which a substance changes from a solid to a liquid is its
- A.
Boiling point.
- B.
Sublimation point.
- C.
Melting point.
- D.
Evaporation point.
- 14.The melting point of a substance is a characteristic property because it
- A.
Does not change with different amounts of the substance.
- B.
Is unique to every substance.
- C.
Can be used with other data to identify a substance.
- D.
All of the above
- 15.When a substance loses or absorbs energy,
- A.
Its temperature can change.
- B.
Its state can change.
- C.
The speed of its particles can change.
- D.
All of the above
- 16.Which of the following describes a liquid?
- A.
Becomes a vapor at the boiling point
- B.
Changes volume when placed in a different container
- C.
Can be compressed
- D.
Has particles that are far apart
- 17.Which of the following does NOT describe elements?
- A.
All the particles are alike
- B.
Can be broken down into simpler substances
- C.
Have unique sets of properties
- D.
Can join together to form compounds
- 18.In which classification of matter are the components chemically combined?
- A.
Alloy
- B.
Colloid
- C.
Compound
- D.
Suspension
- 19.Which of the following is a chemical property?
- A.
Flammability
- B.
Density
- C.
Melting point
- D.
Ductility
- 20.How is a mixture different from a compound?
- A.
Mixtures have two or more components.
- B.
Each substance in a mixture keeps most of its characteristic properties.
- C.
Mixtures are commonly found in nature.
- D.
Solids, liquids, and gases can form mixtures.
- 21.When elements form compounds, the elements
- A.
Keep their original properties.
- B.
React to form a new substance with new properties.
- C.
Combine in a random fashion.
- D.
Always change their physical state.
- 22.Which of the following does NOT describe elements?
- A.
They can join together to form compounds.
- B.
They have unique sets of properties.
- C.
They can be broken down into simpler substances.
- D.
All the particles are alike.
- 23.Which of the following is NOT a compound?
- A.
Water
- B.
Ammonia
- C.
Gold
- D.
Salt
- 24.Which of the following describes compounds?
- A.
Have the same characteristic properties as the elements that form them
- B.
Are composed of elements that join in a specific ratio according to their masses
- C.
Are composed of two or more elements that are physically combined
- D.
Are random combinations of elements
- 25.Which of the following describes a mixture?
- A.
Formed from two or more substances chemically combined
- B.
Made up of two or more substances joined in a specific ratio
- C.
Made up of two or more substances that keep their identities
- D.
Can be separated only by chemical means
Questions: 10 | Attempts: 37231 | Last updated: Jun 23, 2020
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Sample QuestionAll matter consists of particles called________________.
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Sample QuestionAn alloy is:
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Sample QuestionIs the molecule shown chiral or achiral?
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