Test Bank For Chemistry 6th Edition By Julia Burdge| Chapter 1-25 Fully covered | Latest

TEST BANK FOR CHEMISTRY 6TH EDITION BY JULIA
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BURDGE CHAPTERS 1-25 FULLY COVERED | | | |




Chapter 1|



Student name:
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1) What is a unifying principle that explains a body of experimental observations?
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A) Law
B) Hypothesis
C) Theory
D) Phenomena
E) Prediction

ANS: C |




2) Which of the following is a tentative explanation for a set of observations?
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A) Law
B) Hypothesis
C) Theory
D) Phenomena
E) Prediction

ANS: B |




3) What is the term used for findings that are summarized based on a pattern or trend?
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A) Law
B) Hypothesis
C) Theory
D) Phenomena
E) Prediction

ANS: A |




4) Which of the following activities is not a part of good science?
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A) Proposing a theory | |


B) Developing a hypothesis | |


C) Making quantitative observations | |


D) Designing experiments |


E) Indulging in speculation | |




ANS: E |

,5) Which of the following is a ‘substance’ according to the definition given in your textbook?
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A) Air
B) Tap water |


C) Sea water |


D) Water
E) Toothpaste

ANS: D |




6) Which of the following cannot be separated into simpler substances by chemical means?
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A) Element
B) Emulsion
C) Compound
D) Homogeneous mixture |


E) Heterogeneous mixture |



ANS: A |




7) If a liquid contains 60% sugar and 40% water throughout its composition then what is it
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called?
A) Solute
B) Compound
C) Homogeneous mixture |


D) Heterogeneous mixture |


E) Solvent

ANS: C |




8) Which of the following does not have a uniform composition throughout?
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A) Element
B) Compound
C) Homogeneous mixture |


D) Heterogeneous mixture |


E) Solvent

ANS: D |




9) Which of the following is not an SI base unit?
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A) Meter
B) Ampere
C) Second
D) Gram
E) Kelvin

ANS: D |

,10) The SI base unit of mass is
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A) mg.
B) g.
C) kg.
D) metric ton. |


E) lb.

ANS: C |




11) The SI prefix mega- (M) means
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A) 10–6.
B) 10–3.
C) 103.
D) 106.
E) 109.

ANS: D |




12) The SI prefixes milli- and mega- represent, respectively:
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A) 106 and 10–6 | |


–3
B) 10 and 106 | |



C) 10 and 10–63
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D) 10–3 and 109 | |



E) 10 and 10–3–6
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ANS: B |




13) How many micrograms are in 65.3 kg?
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A) 0.653 μg |



B) 6.53 × 107 μg | | |

4
C) 6.53 × 10 μg | | |


–8
D) 6.53 × 10 μg | | |


10
E) 6.53 × 10 μg | | |




ANS: E |

, 14) A dose of medication was prescribed to be 35 microliters. Which of the following expresses
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that volume in centiliters?
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A) 3.5 × 105 cL | | |



B) 3.5 × 104 cL | | |


C) 3.5 cL |



D) 3.5 × 10–4 cL | | |



E) 3.5 × 10–3 cL | | |




ANS: E |




15) How many milliliters is 0.0055 L?
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A) 0.55 mL |


B) 5.5 mL |


C) 0.5 mL |


D) 0.0000055 mL |


E) 182 mL |




ANS: B |




16) How many hertz is 600.11 MHz?
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A) 6.0011 × 10–4 Hz | | |


B) 60.011 Hz |



C) 6.0011 × 106 Hz | | |


–2
D) 6.0011 × 10 Hz | | |

8
E) 6.0011 × 10 Hz | | |




ANS: E |




17) The distance between carbon atoms in ethylene is 134 picometers. Which of the following
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expresses that distance in meters?
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A) 1.34 × 10–13 m | | |



B) 1.34 × 10–12 m | | |



C) 1.34 × 10–10 m | | |



D) 1.34 × 10–7 m | | |



E) 1.34 × 10–6 m | | |




ANS: C |