StraighterLine Chemistry Final Exam | StraighterLine
| Practice Questions and Study Guide for Final Exam
Preparation
THIS EXAM INCLUDES:
• StraighterLine Chemistry Final Exam
• Practice Questions and answers
• Final Exam Preparation
• Graded A+
, Straighterline Chemistry Final
1. 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
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
3. 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
4. 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
5. Which one of these represents a physical change?
A. Water, when heated, forms steam.
B. Bleach turns hair yellow.
C. Sugar, when heated, becomes brown.
D. Milk turns sour.
E. Apples, when exposed to air, turn brown.
Answer: a
6. How many micrograms are in 65.3 kg?
A. 0.653 μg
B. 6.53 × 10^7 μg
C. 6.53 × 10^4 μg
D. 6.53 × 10^-8 μg
E. 6.53 × 10^10 μg
Answer: e
7. A smart phone has dimensions of 4.9 inches (height), 2.3 inches
(width) and 8.0 millimeters (depth). What is the volume of the smart
phone in cubic centimeters? (1 in = 2.54 cm)
A. 58 cm³
B. 1.7 × 10⁵ cm³
C. 90 cm³
D. 3.4 cm³
, E. 34 cm³
Answer: a
8. Given that 1 inch = 2.54 cm, 1.00 cm³ is equal to:
A. 16.4 in³
B. 6.45 in³
C. 0.394 in³
D. 0.155 in³
E. 0.0610 in³
Answer: e
9. What term defines a mass which is exactly equal to 1/12 the mass of
one carbon-12 atom?
A. Isotope number
B. Mass number
C. Mass-to-charge ratio
D. Atomic number
E. Atomic mass unit
Answer: e
10. How many neutrons are there in an atom of lead whose mass
number is 208?
A. 82
B. 126
C. 208
D. 290
E. None of them
Answer: b
11. Which of these elements is chemically similar to magnesium?
A. Sulfur
| Practice Questions and Study Guide for Final Exam
Preparation
THIS EXAM INCLUDES:
• StraighterLine Chemistry Final Exam
• Practice Questions and answers
• Final Exam Preparation
• Graded A+
, Straighterline Chemistry Final
1. 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
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
3. 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
4. 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
5. Which one of these represents a physical change?
A. Water, when heated, forms steam.
B. Bleach turns hair yellow.
C. Sugar, when heated, becomes brown.
D. Milk turns sour.
E. Apples, when exposed to air, turn brown.
Answer: a
6. How many micrograms are in 65.3 kg?
A. 0.653 μg
B. 6.53 × 10^7 μg
C. 6.53 × 10^4 μg
D. 6.53 × 10^-8 μg
E. 6.53 × 10^10 μg
Answer: e
7. A smart phone has dimensions of 4.9 inches (height), 2.3 inches
(width) and 8.0 millimeters (depth). What is the volume of the smart
phone in cubic centimeters? (1 in = 2.54 cm)
A. 58 cm³
B. 1.7 × 10⁵ cm³
C. 90 cm³
D. 3.4 cm³
, E. 34 cm³
Answer: a
8. Given that 1 inch = 2.54 cm, 1.00 cm³ is equal to:
A. 16.4 in³
B. 6.45 in³
C. 0.394 in³
D. 0.155 in³
E. 0.0610 in³
Answer: e
9. What term defines a mass which is exactly equal to 1/12 the mass of
one carbon-12 atom?
A. Isotope number
B. Mass number
C. Mass-to-charge ratio
D. Atomic number
E. Atomic mass unit
Answer: e
10. How many neutrons are there in an atom of lead whose mass
number is 208?
A. 82
B. 126
C. 208
D. 290
E. None of them
Answer: b
11. Which of these elements is chemically similar to magnesium?
A. Sulfur
