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CHM 1025C: On-Line Practice Final Form B

Module One

Module 1 Test Masters:

Brett Spann [Test Input]

John Taylor (johtaylo@fscj.edu) [Template Author]

Multiple Choice [One Answer Only]

Question 1

According to the kinetic theory, temperature measures which of the following ?

a) molecular attraction
b) molecular mass
c) molecular motion
d) molecular size
e) none of the above

Question 2

Brass is an alloy of copper and zinc and the percentage of copper can vary from 60-80%. Classify brass as one of the following.

a) compound
b) element
c) heterogeneous mixture
d) homogeneous mixture
e) pure substance

Question 3

Which of the following elements corresponds to the symbol N ?

a) neon
b) neptunium
c) nickel
d) niobium
e) nitrogen

Question 4

Which of the following elements corresponds to the symbol Ag ?

a) mercury
b) argon
c) potassium
d) silver
e) none of the above

Question 5

Which one of the following elements corresponds to the symbol Fe?

a) tin
b) iron
c) lead
d) fermium
e) none of the above

Question 6

Which of the following is not a typical chemical property of a nonmetal ?

a) reacts by gaining electrons
b) reacts by loosing electrons
c) reacts by sharing electrons
d) reacts with metals
e) reacts with other metals

Question 7

Citric acid has a tart taste and is found in citrus fruit such as lemons, limes, and oranges. If the formula is C₃H₄OH (COOH)₃, what is the number of atoms in one molecule of citric acid ?

a) 10
b) 12
c) 15
d) 21
e) 39

Question 8

Which of the following properties of kerosene is a chemical property ?

a) miscible with gasoline
b) flammable with oxygen
c) colorless liquid
d) boiling point, 174 ^oC
e) density, 0.730 g/mL

Question 9

What is the term for the smallest particle that represents an element ?

a) atom
b) entity
c) formula unit
d) molecule
e) none of the above

Question 10

Which of the following terms refers to a pure substance that can be broken down into two or more substances by chemicl reaction ?

a) compound
b) element
c) homogeneous
d) matter
e) none of the above

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Module 2 Practice Test: ChemMath & Measurement
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