Page |1
Straighterline Chemistry Final Questions
and Correct Answers/ Latest Update /
Already Graded
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
Ans: a. Law
Which of the following is a tentative explanation for a set of
observations?
Select one:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
All rights reserved © 2025/ 2026 |
, Page |2
Ans: b. Hypothesis
If a liquid contains 60% sugar and 40% water throughout its
composition then what is it called?
Select one:
a. Solute
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
Ans: c. Homogeneous mixture
Which of the following does not have a uniform composition
throughout?
Select one:
a. Element
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
All rights reserved © 2025/ 2026 |
, Page |3
Ans: d. Heterogeneous mixture
Which one of these represents a physical change?
Select one:
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.
Ans: a. Water, when heated, forms steam.
How many micrograms are in 65.3 kg?
Select one:
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
Ans: e. 6.53 × 1010 μg
All rights reserved © 2025/ 2026 |
, Page |4
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)
Select one:
a. 58 cm3
b. 1.7 x 105 cm3
c. 90 cm3
d. 3.4 cm3
e. 34 cm3
Ans: a. 58 cm3
Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to
Select one:
a. 16.4 in3
b. 6.45 in3
c. 0.394 in3
d. 0.155 in3
e. 0.0610 in3
Ans: e. 0.0610 in3
All rights reserved © 2025/ 2026 |
Straighterline Chemistry Final Questions
and Correct Answers/ Latest Update /
Already Graded
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
Ans: a. Law
Which of the following is a tentative explanation for a set of
observations?
Select one:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
All rights reserved © 2025/ 2026 |
, Page |2
Ans: b. Hypothesis
If a liquid contains 60% sugar and 40% water throughout its
composition then what is it called?
Select one:
a. Solute
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
Ans: c. Homogeneous mixture
Which of the following does not have a uniform composition
throughout?
Select one:
a. Element
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
All rights reserved © 2025/ 2026 |
, Page |3
Ans: d. Heterogeneous mixture
Which one of these represents a physical change?
Select one:
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.
Ans: a. Water, when heated, forms steam.
How many micrograms are in 65.3 kg?
Select one:
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
Ans: e. 6.53 × 1010 μg
All rights reserved © 2025/ 2026 |
, Page |4
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)
Select one:
a. 58 cm3
b. 1.7 x 105 cm3
c. 90 cm3
d. 3.4 cm3
e. 34 cm3
Ans: a. 58 cm3
Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to
Select one:
a. 16.4 in3
b. 6.45 in3
c. 0.394 in3
d. 0.155 in3
e. 0.0610 in3
Ans: e. 0.0610 in3
All rights reserved © 2025/ 2026 |
