CHEM 212 TEST 1 questions with |\ |\ |\ |\ |\ |\
answers
An ice cube melting on the counter of a warm room is an
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example of a: |\ |\
a) physical property b) physical change
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c) chemical property d) chemical change - CORRECT
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ANSWERS ✔✔B. physical change |\ |\ |\
An eggplant has stored up energy which I have the
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potential to access if I eat it. This is
|\ |\ |\ |\ |\ |\ |\ |\
a:
a) physical property b) physical change
|\ |\ |\ |\ |\
c) chemical property d) chemical change - CORRECT
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ANSWERS ✔✔c. chemical property |\ |\ |\
Which statement concerning laboratory safety is true:
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a) The maid will come to clean your workbench every
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afternoon. Leave it as messy as you |\ |\ |\ |\ |\ |\
want.
b) If you want to leave early, start the lab experiment
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before everyone else shows up.
|\ |\ |\ |\
, c) It's fine to snack, chew gum, or have beverages in the
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lab classroom. |\
d) If chemicals, heat, or glassware will be used in the lab,
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safety glasses must be worn. - CORRECT ANSWERS ✔✔d)
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If chemicals, heat, or glassware will be used in the lab,
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
safety glasses must be worn |\ |\ |\ |\
1 gram is equal to exactly:
|\ |\ |\ |\ |\
a) 1 milligram
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|\ b) 100 milligrams
|\ |\
|\ c) 0.01 milligrams
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d) 1000 milligrams - CORRECT ANSWERS ✔✔d) 1000
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milligrams
The weight of an object is different from the mass due to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the inclusion of: |\ |\
a) size |\ |\
b) gravity|\ |\
c) volume |\ |\
d) density - CORRECT ANSWERS ✔✔b) gravity
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How many significant figures will the number 0.002 have?
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a) 1 b) 2 c) 3 d) 4 - CORRECT ANSWERS ✔✔a) 1
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answers
An ice cube melting on the counter of a warm room is an
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
example of a: |\ |\
a) physical property b) physical change
|\ |\ |\ |\ |\
c) chemical property d) chemical change - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔B. physical change |\ |\ |\
An eggplant has stored up energy which I have the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
potential to access if I eat it. This is
|\ |\ |\ |\ |\ |\ |\ |\
a:
a) physical property b) physical change
|\ |\ |\ |\ |\
c) chemical property d) chemical change - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔c. chemical property |\ |\ |\
Which statement concerning laboratory safety is true:
|\ |\ |\ |\ |\ |\
a) The maid will come to clean your workbench every
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
afternoon. Leave it as messy as you |\ |\ |\ |\ |\ |\
want.
b) If you want to leave early, start the lab experiment
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
before everyone else shows up.
|\ |\ |\ |\
, c) It's fine to snack, chew gum, or have beverages in the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
lab classroom. |\
d) If chemicals, heat, or glassware will be used in the lab,
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
safety glasses must be worn. - CORRECT ANSWERS ✔✔d)
|\ |\ |\ |\ |\ |\ |\ |\ |\
If chemicals, heat, or glassware will be used in the lab,
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
safety glasses must be worn |\ |\ |\ |\
1 gram is equal to exactly:
|\ |\ |\ |\ |\
a) 1 milligram
|\ |\
|\ b) 100 milligrams
|\ |\
|\ c) 0.01 milligrams
|\ |\
d) 1000 milligrams - CORRECT ANSWERS ✔✔d) 1000
|\ |\ |\ |\ |\ |\ |\ |\ |\
milligrams
The weight of an object is different from the mass due to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the inclusion of: |\ |\
a) size |\ |\
b) gravity|\ |\
c) volume |\ |\
d) density - CORRECT ANSWERS ✔✔b) gravity
|\ |\ |\ |\ |\ |\
How many significant figures will the number 0.002 have?
|\ |\ |\ |\ |\ |\ |\ |\
a) 1 b) 2 c) 3 d) 4 - CORRECT ANSWERS ✔✔a) 1
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