Chem lecture
1. Which of the following correctly matches each sample with its classification as macroscopic,
microscopic, or particulate?
Macroscopic Microscopic Particulate
A. protein molecule cat hair plant cell
B. protein molecule plant cell cat hair
C. plant cell cat hair protein molecule
D. cat hair plant cell protein molecule
E. cat hair protein molecule plant cell - ANSWER-D
2. Which of the following is not a particulate sample of matter?
A. An oxygen molecule
B. A human egg cell
C. An electron
D. A nickel atom
E. A hemoglobin molecule - ANSWER-B
Which state of matter is illustrated below?
A. Gas
,B. Liquid
C. Solid
D. Both gas and solid
E. Both liquid and solid
(square with tightly packed atoms) - ANSWER-c
4. Which of the following does not describe the gaseous state?
A. Same shape as a closed container
B. Same volume of a closed container
C. Random, independent particle movement
D. Easily compressed
E. All describe the gaseous state - ANSWER-E
5. Which of the following does not describe the liquid state?
A. Particles vibrate in fixed position
B. Same shape as the bottom of the container
C. Constant volume
D. Pourable
E. All describe the liquid state - ANSWER-A
6. Which of the following does not describe the solid state?
A. Rigid, fixed, constant shape
B. Constant volume
C. Easily compressed
D. Particles vibrate in fixed position
,E. All describe the solid state - ANSWER-C
12. Which of the following is a physical change?
A. Combustion
B. Fermentation
C. Decomposition
D. Rusting
E. Dissolving - ANSWER-E
13. Which of the following can be a pure substance?
i. Gold
ii. Air
iii. Homogenized milk
iv. Sugar completely dissolved in water
v. Ice
A. ii and iv
B. ii and iii
C. i and iii
D. i and v
E. ii, iii, and iv - ANSWER-D
14. Which of the following is/are (a) mixture?
i. Nitrogen monoxide
ii. Nitrogen
iii. Carbon monoxide
iv. Carbon
v. Oxygen
, A. i and iii
B. ii, iv, and v
C. i only
D. iii only
E. All are pure substances - ANSWER-E
15. Which of the following does not describe a mixture?
A. Two or more pure substances
B. Distinct set of physical and chemical properties
C. Components can be separated by physical changes
D. Boiling temperature of a solution will increase with time
E. All of the above describe a mixture - ANSWER-B
1. Which of the following correctly matches each sample with its classification as macroscopic,
microscopic, or particulate?
Macroscopic Microscopic Particulate
A. protein molecule cat hair plant cell
B. protein molecule plant cell cat hair
C. plant cell cat hair protein molecule
D. cat hair plant cell protein molecule
E. cat hair protein molecule plant cell - ANSWER-D
2. Which of the following is not a particulate sample of matter?
A. An oxygen molecule
B. A human egg cell
C. An electron
D. A nickel atom
E. A hemoglobin molecule - ANSWER-B
1. Which of the following correctly matches each sample with its classification as macroscopic,
microscopic, or particulate?
Macroscopic Microscopic Particulate
A. protein molecule cat hair plant cell
B. protein molecule plant cell cat hair
C. plant cell cat hair protein molecule
D. cat hair plant cell protein molecule
E. cat hair protein molecule plant cell - ANSWER-D
2. Which of the following is not a particulate sample of matter?
A. An oxygen molecule
B. A human egg cell
C. An electron
D. A nickel atom
E. A hemoglobin molecule - ANSWER-B
Which state of matter is illustrated below?
A. Gas
,B. Liquid
C. Solid
D. Both gas and solid
E. Both liquid and solid
(square with tightly packed atoms) - ANSWER-c
4. Which of the following does not describe the gaseous state?
A. Same shape as a closed container
B. Same volume of a closed container
C. Random, independent particle movement
D. Easily compressed
E. All describe the gaseous state - ANSWER-E
5. Which of the following does not describe the liquid state?
A. Particles vibrate in fixed position
B. Same shape as the bottom of the container
C. Constant volume
D. Pourable
E. All describe the liquid state - ANSWER-A
6. Which of the following does not describe the solid state?
A. Rigid, fixed, constant shape
B. Constant volume
C. Easily compressed
D. Particles vibrate in fixed position
,E. All describe the solid state - ANSWER-C
12. Which of the following is a physical change?
A. Combustion
B. Fermentation
C. Decomposition
D. Rusting
E. Dissolving - ANSWER-E
13. Which of the following can be a pure substance?
i. Gold
ii. Air
iii. Homogenized milk
iv. Sugar completely dissolved in water
v. Ice
A. ii and iv
B. ii and iii
C. i and iii
D. i and v
E. ii, iii, and iv - ANSWER-D
14. Which of the following is/are (a) mixture?
i. Nitrogen monoxide
ii. Nitrogen
iii. Carbon monoxide
iv. Carbon
v. Oxygen
, A. i and iii
B. ii, iv, and v
C. i only
D. iii only
E. All are pure substances - ANSWER-E
15. Which of the following does not describe a mixture?
A. Two or more pure substances
B. Distinct set of physical and chemical properties
C. Components can be separated by physical changes
D. Boiling temperature of a solution will increase with time
E. All of the above describe a mixture - ANSWER-B
1. Which of the following correctly matches each sample with its classification as macroscopic,
microscopic, or particulate?
Macroscopic Microscopic Particulate
A. protein molecule cat hair plant cell
B. protein molecule plant cell cat hair
C. plant cell cat hair protein molecule
D. cat hair plant cell protein molecule
E. cat hair protein molecule plant cell - ANSWER-D
2. Which of the following is not a particulate sample of matter?
A. An oxygen molecule
B. A human egg cell
C. An electron
D. A nickel atom
E. A hemoglobin molecule - ANSWER-B
