Test Bank - General, Organic, and
Biological Chemistry: Structures of
Life 6th Edition ( Karen C.
Timberlake, 2020) All Chapters 1-
24| Latest Edition
,
,
, Chapter 1: Chemistry in Our Lives (1–10)
1. The branch of chemistry that studies compounds containing carbon is:
A. Inorganic chemistry
B. Organic chemistry
C. Physical chemistry
D. Analytical chemistry
Rationale: Organic chemistry focuses on carbon-containing compounds and their
properties.
2. Which of the following is an example of a chemical change?
A. Melting ice
B. Rusting iron
C. Dissolving sugar
D. Boiling water
Rationale: Rusting produces a new substance (iron oxide), indicating a chemical change.
3. The scientific method begins with:
A. Forming a hypothesis
B. Making observations
C. Conducting experiments
D. Drawing conclusions
Rationale: Observations lead to questions and hypotheses.
4. A hypothesis is:
A. A proven fact
B. A testable explanation for observations
C. A law
D. A theory
Biological Chemistry: Structures of
Life 6th Edition ( Karen C.
Timberlake, 2020) All Chapters 1-
24| Latest Edition
,
,
, Chapter 1: Chemistry in Our Lives (1–10)
1. The branch of chemistry that studies compounds containing carbon is:
A. Inorganic chemistry
B. Organic chemistry
C. Physical chemistry
D. Analytical chemistry
Rationale: Organic chemistry focuses on carbon-containing compounds and their
properties.
2. Which of the following is an example of a chemical change?
A. Melting ice
B. Rusting iron
C. Dissolving sugar
D. Boiling water
Rationale: Rusting produces a new substance (iron oxide), indicating a chemical change.
3. The scientific method begins with:
A. Forming a hypothesis
B. Making observations
C. Conducting experiments
D. Drawing conclusions
Rationale: Observations lead to questions and hypotheses.
4. A hypothesis is:
A. A proven fact
B. A testable explanation for observations
C. A law
D. A theory
