Straighterline Chemistry Final Questions and Correct Detailed Answers (Verified Answers) ||Already Graded A+||Newest Version

Straighterline Chemistry Final Questions and
Correct Detailed Answers (Verified Answers)
||Already Graded A+||Newest Version
Quiz: 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



Quiz: Which of the following is a tentative explanation for a set of

observations?

Select one:

a. Law

b. Hypothesis

c. Theory
o
o
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, d. Phenomena

e. Prediction

Ans: b. Hypothesis



Quiz: 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



Quiz: Which of the following does not have a uniform composition

throughout?

Select one:

o
o
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, a. Element

b. Compound

c. Homogeneous mixture

d. Heterogeneous mixture

e. Solvent

Ans: d. Heterogeneous mixture



Quiz: 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.



Quiz: How many micrograms are in 65.3 kg?
o
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, 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



Quiz: 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
o
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