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Chemistry Final Exam Straighterline with 100- correct answers
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Chemistry Final Exam Straighterline with 100- correct answers
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Chemistry FinalExam
Straighterline
with 100%
correct answers
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 law
Which of the following is a tentative explanation
for a set of observations?
a. law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction - answer 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 - answer 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 - answer 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. -
answer 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 - answer 6.53 × 1010 μg
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 - answer 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 - answer 0.0610 in3
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