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
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be tested by furtherexperimentation is referred to as
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A) a hypothesis. B)
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D) none of the above. ss ss ss




Ans: A Category:
Easy Section: 1.2 ss ss




2. A concise verbal or mathematical statement of a relationship between
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phenomena that isalways the same under the same conditions is
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ss referred to as ss ss




A) a hypothesis. B)
ss a law.
ss C) a theory.
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D) none of the above. ss ss ss




Ans: B Category:
Easy Section: 1.2 ss ss




3. A unifying principle that explains a body of facts and relations is referred to as
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A) a hypothesis. B)
ss a law.
ss C) a theory.
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D) none of the above. ss ss ss




Ans: C Category:
Easy Section: 1.2 ss ss




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
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be tested by furtherexperimentation.
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B) a statement describing a relationship between phenomena that
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Page 1 ss

, is always 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
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ss the invisible.
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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
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be tested by furtherexperimentation.
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B) a statement describing a relationship between phenomena that
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is always 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
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ss the invisible.
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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
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be tested by furtherexperimentation.
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B) a statement describing a relationship between phenomena that
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is always 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
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ss the invisible.
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Page 2 ss

, Ans: C Category: Easy
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Section: 1.2




Page 3
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