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NC Chemistry Properties
Test Description: Chemical and Physical Properties
Instructions: Answer all questions to get your test result.
1) A substance that has a HIGH specific heat
A
Will heat up slowly
B
Will heat up quickly
C
Will have a low boiling point
D
Will have a high boiling point
2) A substance with a LOW specific heat
A
Requires little energy to heat up
B
Will have a low melting point
C
Will have a high melting point
D
Requires a lot of energy to heat up
3) Volume =15, Mass= 30, Density=....
A
100
B
2
C
45
D
15
4) Which of these is correct?
A
SOLVENT dissolves in SOLUTE to make a SOLUTION
B
SOLUTION Adissolves in SOLUTE to make a SOLVENT
C
SOLVENT dissolves in SOLUTION to make a SOLUTE
D
SOLUTE dissolves in SOLVENT to make a SOLUTION
5) A solution is SATURATED when...
A
it is being cooled down
B
You have no solute in it yet
C
it is being heated up
D
No more solute can dissolve in it
6) Acids...
A
Will react with anything
B
Will react with bases
C
Are always very dangerous
D
Have a pH of 7
7) Bases...
A
Have pH values above 7
B
Are neutral, like water
C
Are rarely used by people
D
Usually taste sharp and sour
8) Combustion...
A
Happens quickly for all substances
B
Is a physical change
C
Requires oxygen to be present
D
Always has flames
9) Elements with higher REACTIVITY...
A
Are higher on the periodic table
B
Have to move more valence electrons to react
C
Are lower on the periodic table
D
Have to move less valence electrons to react
10) Density= 10, Volume= 2, Mass=...
A
8
B
5
C
12
D
20
*select an answer for all questions
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