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Chemistry Review
Test Description: EOG Prep
Instructions: Answer all questions to get your test result.
1) A beaker with 100 mL of water is placed on a hot plate and heated. The water boils at 100C. At what temp would 90 mL of water boil?
A
100C
B
10C
C
20C
D
30C
2) Which of the following substances will heat up the fastest?
A
Iron - 448 degrees C
B
Glass - 837 degrees C
C
Lead - 128 degrees C
D
Ice - 2,090 degrees C
3) Chemical X has a mass of 5g, and chemical Y has a mass of 10g. If a chemical reaction takes place, what most likely will be the mass of the product(s)?
A
5g
B
15g
C
10g
D
50g
4) Aluminum can be made into aluminum foil becase it is
A
malleable
B
square
C
ductile
D
hard
5) Silicon is best used for
A
as a material to make airplane bodies
B
as a semiconductor
C
a container to keep coffee hot in
D
jewelry and coin making
6) Which is an example of a physical change?
A
rotting
B
rusting
C
boiling
D
burning
7) Which element is a poor conductor of heat?
A
F
B
K
C
Ag
D
Fe
8) Which is a naturally occurring chemical?
A
salt
B
plastic
C
aspirin
D
nylon
9) Which pure substance is composed of more than one element?
A
water
B
sodium
C
gold
D
carbon
10) After a chemical reaction occurs in an open test tube, the mass of the products is less than the mass of the reactants. Why?
A
the salinity of the reactants was high
B
the temperature of the reactants was low
C
a gas was produced
D
a solid was produced
*select an answer for all questions
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