Chemistry 6th Edition by Julia Burdge
b b b b b
Chapter 1-25 Answers are at the of Each Chapter
b b b b b b b b
Chapter 1b
Student name:
b
1) What is a unifying principle that explains a body of experimental observations?
b b b b b b b b b b b
A) Law
B) Hypothesis
C) Theory
D) Phenomena
E) Prediction
ANS: C b
2) Which of the following is a tentative explanation for a set of observations?
b b b b b b b b b b b b
A) Law
B) Hypothesis
C) Theory
D) Phenomena
E) Prediction
ANS: B b
3) What is the term used for findings that are summarized based on a pattern or trend?
b b b b b b b b b b b b b b b
A) Law
B) Hypothesis
C) Theory
D) Phenomena
E) Prediction
ANS: A b
4) Which of the following activities is not a part of good science?
b b b b b b b b b b b
A) Proposing a theory b b
B) Developing a hypothesis b b
C) Making quantitative observations b b
D) Designing experiments b
E) Indulging in speculation b b
ANS: E b
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,5) Which of the following is a ‘substance’ according to the definition given in your textbook?
b b b b b b b b b b b b b b
A) Air
B) Tap water b
C) Sea water b
D) Water
E) Toothpaste
ANS: D b
6) Which of the following cannot be separated into simpler substances by chemical means?
b b b b b b b b b b b b
A) Element
B) Emulsion
C) Compound
D) Homogeneous mixture b
E) Heterogeneous mixture b
ANS: A b
7) If a liquid contains 60% sugar and 40% water throughout its composition then what is it
b b b b b b b b b b b b b b b
bcalled?
A) Solute
B) Compound
C) Homogeneous mixture b
D) Heterogeneous mixture b
E) Solvent
ANS: C b
8) Which of the following does not have a uniform composition throughout?
b b b b b b b b b b
A) Element
B) Compound
C) Homogeneous mixture b
D) Heterogeneous mixture b
E) Solvent
ANS: D b
9) Which of the following is not an SI base unit?
b b b b b b b b b
A) Meter
B) Ampere
C) Second
D) Gram
E) Kelvin
ANS: D b
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,10) The SI base unit of mass is
b b b b b b
A) mg.
B) g.
C) kg.
D) metric ton. b
E) lb.
ANS: C b
11) The SI prefix mega- (M) means
b b b b b
A) 10–6.
B) 10–3.
C) 103.
D) 106.
E) 109.
ANS: D b
12) The SI prefixes milli- and mega- represent, respectively:
b b b b b b b
A) 106 and 10–6 b b
–3
B) 10 and 106 b b
C) 10 and 10–63
b b
–3
D) 10 and 109 b b
–6 –3
E) 10 and 10 b b
ANS: B b
13) How many micrograms are in 65.3 kg?
b b b b b b
A) 0.653 μg b
7
B) 6.53 × 10 μg b b b
4
C) 6.53 × 10 μg b b b
–8
D) 6.53 × 10 μg b b b
10
E) 6.53 × 10 μg b b b
ANS: E b
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, 14) A dose of medication was prescribed to be 35 microliters. Which of the following expresses
b b b b b b b b b b b b b b
bthat volume in centiliters?
b b b
A) 3.5 × 105 cL b b b
B) 3.5 × 104 cL b b b
C) 3.5 cL b
D) 3.5 × 10–4 cL b b b
–3
E) 3.5 × 10 cL b b b
ANS: E b
15) How many milliliters is 0.0055 L?
b b b b b
A) 0.55 mL b
B) 5.5 mL b
C) 0.5 mL b
D) 0.0000055 mL b
E) 182 mL b
ANS: B b
16) How many hertz is 600.11 MHz?
b b b b b
A) 6.0011 × 10–4 Hz b b b
B) 60.011 Hz b
C) 6.0011 × 106 Hz b b b
–2
D) 6.0011 × 10 Hz b b b
8
E) 6.0011 × 10 Hz b b b
ANS: E b
17) The distance between carbon atoms in ethylene is 134 picometers. Which of the following
b b b b b b b b b b b b b
bexpresses that distance in meters?
b b b b
A) 1.34 × 10–13 m b b b
–12
B) 1.34 × 10 m b b b
C) 1.34 × 10–10 m b b b
D) 1.34 × 10–7 m b b b
–6
E) 1.34 × 10 m b b b
ANS: C b
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