Chapter 02
Atoms and the Periodic Table
1. The scientist who determined the magnitude of the electric charge on the electron was
A. John Dalton.
B. Robert Millikan.
C. J. J. Thomson.
D. Henry Moseley.
E. J. Burdge.
Blooms: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: St...
, Chapter 01
Chemistry: The Science of Change
1. What is a unifying principle that explains a body of experimental observations?
A. Law
B. Hypothesis
C. Theory
D. Phenomena
E. Prediction
Blooms: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Scientific Method
Topic: Study of Chemistry
2. Which of the following is a tentative explanation for a set of observations?
A. Law
B. Hypothesis
C. Theory
D. Phenomena
E. Prediction
Blooms: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Scientific Method
Topic: Study of Chemistry
3. What is the term used for findings that are summarized based on a pattern or trend?
A. Law
B. Hypothesis
C. Theory
D. Phenomena
E. Prediction
Blooms: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Scientific Method
Topic: Study of Chemistry
4. Which of the following activities is not a part of good science?
A. Proposing a theory
B. Developing a hypothesis
C. Making quantitative observations
D. Designing experiments
E. Indulging in speculation
Blooms: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Scientific Method
Topic: Study of Chemistry
5. Which of the following is a ‘substance’ according to the definition given in your textbook?
A. Air
B. Tap water
C. Sea water
D. Water
E. Toothpaste
Blooms: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Classification and States of Matter
Subtopic: Properties of Matter
Topic: Study of Chemistry
,6. Which of the following cannot be separated into simpler substances by chemical means?
A. Element
B. Emulsion
C. Compound
D. Homogeneous mixture
E. Heterogeneous mixture
Blooms: 4. Analyze
Difficulty: Medium
Gradable: automatic
Subtopic: Classification and States of Matter
Subtopic: Properties of Matter
Topic: Study of Chemistry
7. If a liquid contains 60% sugar and 40% water throughout its composition then what is it called?
A. Solute
B. Compound
C. Homogeneous mixture
D. Heterogeneous mixture
E. Solvent
Blooms: 4. Analyze
Difficulty: Medium
Gradable: automatic
Subtopic: Classification and States of Matter
Subtopic: Properties of Matter
Topic: Study of Chemistry
8. Which of the following does not have a uniform composition throughout?
A. Element
B. Compound
C. Homogeneous mixture
D. Heterogeneous mixture
E. Solvent
Blooms: 3. Apply
Difficulty: Easy
Gradable: automatic
Subtopic: Classification and States of Matter
Subtopic: Properties of Matter
Topic: Study of Chemistry
9. Which of the following is not an SI base unit?
A. Meter
B. Ampere
C. Second
D. Gram
E. Kelvin
Blooms: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Measurement (SI Units)
Topic: Study of Chemistry
10. The SI base unit of mass is
A. mg.
B. g.
C. kg.
D. metric ton.
E. lb.
Blooms: 1. Remember
Difficulty: Medium
Gradable: automatic
Subtopic: Measurement (SI Units)
Topic: Study of Chemistry
, 11. The SI prefix mega- (M) means
A. 10–6
B. 10–3
C. 103
D. 106
E. 109
Blooms: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Measurement (SI Units)
Topic: Study of Chemistry
12. The SI prefixes milli- and mega- represent, respectively
A. 106 and 10–6
B. 10–3 and 106
C. 103 and 10–6
D. 10–3 and 109
E. 10–6 and 10–3
.
Blooms: 1. Remember
Difficulty: Medium
Gradable: automatic
Subtopic: Measurement (SI Units)
Topic: Study of Chemistry
13. How many micrograms are in 65.3 kg?
A. 0.653 μg
B. 6.53 × 107 μg
C. 6.53 × 104 μg
D. 6.53 × 10–8 μg
E. 6.53 × 1010 μg
Blooms: 3. Apply
Difficulty: Hard
Gradable: automatic
Subtopic: Dimensional Analysis
Subtopic: Measurement (SI Units)
Subtopic: Scientific Notation and Significant Figures
Topic: Study of Chemistry
14. A dose of medication was prescribed to be 35 microliters. Which of the following expresses that volume in centiliters?
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
Blooms: 3. Apply
Difficulty: Hard
Gradable: automatic
Subtopic: Dimensional Analysis
Subtopic: Measurement (SI Units)
Subtopic: Scientific Notation and Significant Figures
Topic: Study of Chemistry
15. How many milliliters is 0.0055 L?
A. 0.55 mL
B. 5.5 mL
C. 0.5 mL
D. 0.0000055 mL
E. 182 mL
Blooms: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Dimensional Analysis
Subtopic: Measurement (SI Units)
Subtopic: Scientific Notation and Significant Figures
Topic: Study of Chemistry
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