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

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Edition: 7th Edition

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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:

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:

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:

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

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

ANSWER:

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:

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