Test Bank For General Organic And Biological Chemistry 7th Edition By H. Stephen Stoker

Test Bank For General Organic And Biological Chemistry 7th Edition By H. Stephen Stoker

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Edition: 7th Edition

Format: Downloadable ZIP Fille

Resource Type: Test bank

Duration: Unlimited downloads

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Test Bank For General Organic And Biological Chemistry 7th Edition By H. Stephen Stoker

1. Which of the following is a property of both gases and liquids?

a. Definite shape b. Indefinite shape
c. Definite volume d. Indefinite volume

 

ANSWER:   b

 

2. In which of the following pairs of properties are both properties chemical properties?

a. Freezes at 10°C and is nonflammable
b. Decomposes at 500°C and reacts with bromine
c. Poor conductor of heat and is reddish brown in color
d. Has a low density and is very hard

 

ANSWER:   b

 

3. When a substance undergoes a chemical change it is always true that

a. it liquifies
b. it changes from a solid to a gas
c. it is converted to a new kind of matter with a different composition
d. the temperature of the substance increases

 

ANSWER:   c

 

4. The description “two substances present, two phases present” is correct for

a. heterogeneous mixtures b. homogeneous mixtures
c. elements d. compounds

 

ANSWER:   a

 

5. Which of the following statements about heterogeneous and homogeneous mixtures is correct?

a. It is possible to have heterogeneous mixtures in which all the components are liquids.
b. A homogeneous mixture contains visibly different parts, or phases.
c. All of the phases in a heterogeneous mixture must be in the same state.
d. No two phases in a heterogeneous mixture can be in the same state.

 

ANSWER:   a
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