General Chemistry The Essential Concept 7Th Edition Raymond By Chang - Test Bank

, Chapter01:Introduction
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1. A tentative explanation for a set of observations that can be tested
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ss by furtherexperimentation is referred to as
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A) a hypothesis. ss B) a law.
ss C) a theory. ss




D) none of the above. ss ss ss




Ans: A Category: Easy

Section: 1.2
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2. A concise verbal or mathematical statement of a relationship between phenomena
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that isalways the same under the same conditions is referred to as
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A) a hypothesis. ss B) a law.
ss C) a theory. ss




D) none of the above. ss ss ss




Ans: B Category: Easy

Section: 1.2
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3. A unifying principle that explains a body of facts and relations is referred to as
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A) a hypothesis. ss B) a law.
ss C) a theory. ss




D) none of the above. ss ss ss




Ans: C Category: Easy

Section: 1.2
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4. Complete the following sentence. ss ss ss A hypothesis is
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A) a tentative explanation for a set of observations that can be tested
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, by furtherexperimentation.
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B) a statement describing a relationship between phenomena that is always
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the sameunder the same conditions.
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C) a unifying principle that explains a body of facts and relations.
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D) a model used to visualize the
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ss invisible.

Ans: A Category:

Easy Section: 1.2



5. Complete the following sentence.
ss ss ss A scientific law is
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A) a tentative explanation for a set of observations that can be tested
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by furtherexperimentation.
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B) a statement describing a relationship between phenomena that is always
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the sameunder the same conditions.
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C) a unifying principle that explains a body of facts and relations.
ss ss ss ss ss ss ss ss ss ss




D) a model used to visualize the
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ss invisible.

Ans: B Category:

Easy Section: 1.2



6. Complete the following sentence.
ss ss ss A theory is
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A) a tentative explanation for a set of observations that can be tested
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by furtherexperimentation.
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, B) a statement describing a relationship between phenomena that is always
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the sameunder the same conditions.
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C) a unifying principle that explains a body of facts and relations.
ss ss ss ss ss ss ss ss ss ss




D) a model used to visualize the
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ss invisible.

Ans: C Category: Easy ss




Section: 1.2




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