Chemistry 5th Edition

Chemistry, 5e (Burdge) Chapter 1 Chemistry: The Central Science 1) What is a unifying principle that explains a body of experimental observations? A) Law B) Hypothesis C) Theory D) Phenomena E) Prediction Answer: C Difficulty: 1 Easy Topic: Study of Chemistry Bloom's: 2. Understand Subtopic: Scientific Method Gradable: automatic Accessibility: Keyboard Navigation 2) Which of the following is a tentative explanation for a set of observations? A) Law B) Hypothesis C) Theory D) Phenomena E) Prediction Answer: B Difficulty: 1 Easy Topic: Study of Chemistry Bloom's: 2. Understand Subtopic: Scientific Method Gradable: automatic Accessibility: Keyboard Navigation 3 . 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 Answer: A Difficulty: 1 Easy Topic: Study of Chemistry Bloom's: 2. Understand Subtopic: Scientific Method Gradable: automatic Accessibility: Keyboard Navigation 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 Answer: E Difficulty: 1 Easy Topic: Study of Chemistry Bloom's: 2. Understand Subtopic: Scientific Method Gradable: automatic Accessibility: Keyboard Navigation 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 Answer: D Difficulty: 2 Medium Topic: Study of Chemistry Bloom's: 3. Apply Subtopic: Classification and States of Matter; Properties of Matter Gradable: automatic Accessibility: Keyboard Navigation 4 . 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 Answer: A Difficulty: 2 Medium Topic: Study of Chemistry Bloom's: 4. Analyze Subtopic: Classification and States of Matter; Properties of Matter Gradable: automatic Accessibility: Keyboard Navigation 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 Answer: C Difficulty: 2 Medium Topic: Study of Chemistry Bloom's: 4. Analyze Subtopic: Classification and States of Matter; Properties of Matter Gradable: automatic Accessibility: Keyboard Navigation 8) Which of the following does not have a uniform composition throughout? A) Element B) Compound C) Homogeneous mixture D) Heterogeneous mixture E) Solvent Answer: D Difficulty: 1 Easy Topic: Study of Chemistry Bloom's: 3. Apply Subtopic: Classification and States of Matter; Properties of Matter Gradable: automatic Accessibility: Keyboard Navigation 9) Which of the following is not an SI base unit? 5 . A) Meter B) Ampere C) Second D) Gram E) Kelvin Answer: D Difficulty: 2 Medium Topic: Study of Chemistry Bloom's: 2. Understand Subtopic: Measurement (SI Units) Gradable: automatic Accessibility: Keyboard Navigation 10) The SI base unit of mass is A) mg. B) g. C) kg. D) metric ton. E) lb. Answer: C Difficulty: 2 Medium Topic: Study of Chemistry Bloom's: 1. Remember Subtopic: Measurement (SI Units) Gradable: automatic Accessibility: Keyboard Navigation 11) The SI prefix mega- (M) means A) 10–6. B) 10–3. C) 103. D) 106. E) 109. Answer: D Difficulty: 1 Easy Topic: Study of Chemistry Bloom's: 1. Remember Subtopic: Measurement (SI Units) Gradable: automatic Accessibility: Keyboard Navigation 6 . 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 Answer: B Difficulty: 2 Medium Topic: Study of Chemistry Bloom's: 1. Remember Subtopic: Measurement (SI Units) Gradable: automatic Accessibility: Keyboard Navigation 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 Answer: E Difficulty: 3 Hard Topic: Study of Chemistry Bloom's: 3. Apply Subtopic: Measurement (SI Units); Scientific Notation and Significant Figures; Dimensional Analysis Gradable: automatic Accessibility: Keyboard Navigation 7 . 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 Answer: E Difficulty: 3 Hard Topic: Study of Chemistry Bloom's: 3. Apply Subtopic: Measurement (SI Units); Scientific Notation and Significant Figures; Dimensional Analysis Gradable: automatic Accessibility: Keyboard Navigation 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 Answer: B Difficulty: 2 Medium Topic: Study of Chemistry Bloom's: 3. Apply Subtopic: Measurement (SI Units); Scientific Notation and Significant Figures; Dimensional Analysis Gradable: automatic Accessibility: Keyboard Navigation