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Chemistry Test
Test Description: Chemistry review
Instructions: Answer all questions to get your test result.
1) which of the following substances is synthetic
A
sodium
B
uranium
C
paper
D
gold
2) what property is shared by all matter
A
solid
B
liquid
C
mass
D
fire
3) in a chemical change:
A
a substance dissolves
B
the identify of the substance changes
C
a substance solidifies
D
the identify of the substance does not change
4) what is the density of a material that has a mass of 20 grams and a volume of 12 ml?
A
8 g/ml
B
.6g/ml
C
1.66g/ml
D
32 g/ml
5) in the compound H4O6 the ratio of hydrogen to oxygen is
A
10
B
8 to 12
C
4 to 6
D
2 to 3
6) which of the following statements is true
A
elements combine in a multitude of ways to form compounds
B
elements combine randomly
C
elements combine only in the same state of matter
D
elements never combine to form compounds
7) when sodium combines with chlorine, which compound is formed
A
lemon juice
B
sugar
C
pepper
D
table salt
8) aluminum's ability to be rolled into thin sheets is evidence that it is
A
metallic
B
malleable
C
flammable
D
corrosive
9) In a physical change:
A
a new substance is formed
B
the state of matter in a substance changes but the identity of the substance itself does not
C
a solid is always formed
D
gas is always formed
10) which of the following is true about all natural elements?
A
they can all be found in the soil
B
they are all metals
C
they all exist in nature
D
they are all made by humans
*select an answer for all questions
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