,Chapter 01 Chemistry: The Central Science
What is a unifying principle that explains a body of experimental observations?
Law
Hypothesis
Theory
Phenomena
Prediction
Blooms: 2. Understand
Difficulty: Easy Gradable: automatic Subtopic: Scientific Method Topic: Study of Chemistry
Which of the following is a tentative explanation for a set of observations?
Law
Hypothesis
Theory
Phenomena
Prediction
Blooms: 2. Understand
Difficulty: Easy Gradable: automatic Subtopic: Scientific Method Topic: Study of Chemistry
What is the term used for findings that are summarized based on a pattern or trend?
Law
Hypothesis
Theory
Phenomena
Prediction
Blooms: 2. Understand
Difficulty: Easy Gradable: automatic Subtopic: Scientific Method Topic: Study of Chemistry
Which of the following activities is not a part of good science?
,Proposing a theory
Developing a hypothesis
Making quantitative observations
Designing experiments
Indulging in speculation
Blooms: 2. Understand
Difficulty: Easy Gradable: automatic Subtopic: Scientific Method Topic: Study of Chemistry
Which of the following is a ‘substance’ according to the definition given in your textbook?
Air
Tap water
Sea water
Water
Toothpaste
Blooms: 3. Apply Difficulty: Medium Gradable: automatic
Subtopic: Classification and States of Matter
Subtopic: Properties of Matter Topic: Study of Chemistry
1. 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
If a liquid contains 60% sugar and 40% water throughout its composition then what is it called?
Solute
Compound
Homogeneous mixture
Heterogeneous mixture
, Solvent
Blooms: 4. Analyze Difficulty: Medium Gradable: automatic
Subtopic: Classification and States of Matter
Subtopic: Properties of Matter Topic: Study of Chemistry
Which of the following does not have a uniform composition throughout?
Subtopic: Properties of Matter Topic: Study of Chemistry
Which of the following is not an SI base unit?
Meter
Ampere
Second
Gram
Kelvin
Blooms: 2. Understand Difficulty: Medium Gradable: automatic
Subtopic: Measurement (SI Units) Topic: Study of Chemistry
The SI base unit of mass is
mg.
g.
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