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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 have a low boiling point
B
Will heat up quickly
C
Will heat up slowly
D
Will have a high boiling point
2) A substance with a LOW specific heat
A
Requires little energy to heat up
B
Requires a lot of energy to heat up
C
Will have a low melting point
D
Will have a high melting point
3) Volume =15, Mass= 30, Density=....
A
15
B
100
C
2
D
45
4) Which of these is correct?
A
SOLUTE dissolves in SOLVENT to make a SOLUTION
B
SOLUTION Adissolves in SOLUTE to make a SOLVENT
C
SOLVENT dissolves in SOLUTION to make a SOLUTE
D
SOLVENT dissolves in SOLUTE 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
Have a pH of 7
B
Are always very dangerous
C
Will react with anything
D
Will react with bases
7) Bases...
A
Have pH values above 7
B
Are rarely used by people
C
Are neutral, like water
D
Usually taste sharp and sour
8) Combustion...
A
Requires oxygen to be present
B
Is a physical change
C
Always has flames
D
Happens quickly for all substances
9) Elements with higher REACTIVITY...
A
Are higher on the periodic table
B
Have to move more valence electrons to react
C
Have to move less valence electrons to react
D
Are lower on the periodic table
10) Density= 10, Volume= 2, Mass=...
A
20
B
12
C
5
D
8
*select an answer for all questions
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