Multiple Choice
Identify the choice that best completes the statement or
answers the question.
|
|
|
1)
|
Which is the name of the kind of solid substance formed in
this figure?
A | aqueous | C | coordinate
complex | B | precipitate | D | synthesis |
|
|
|
2)
|
In a chemical equation, (aq) after one of the substances
means that it is which of these?
A | a solid formed from two ionic
substances | B | released as gas | C | dissolved in water | D | produced from
nothing |
|
|
|
3)
|
How many total atoms are in
4Ca3(PO4)2?
|
|
|
4)
|
Which are the product(s) of this reaction?
Mg + N2 ®
|
|
|
5)
|
What are the correct coefficients when this equation is
balanced? K + Br2 ®
KBr
A | 1, 1, 1 | C | 2, 1,
2 | B | 1, 2, 1 | D | 2, 1,
1 |
|
|
|
6)
|
Which type of chemical reaction would this be classified
as:
C3H8 + O2
® CO2 + H2O
A | synthesis | C | combustion | B | double
replacement | D | decomposition |
|
|
|
7)
|
Identify the type of chemical reaction demonstrated by this
equation:
KClO3 ® KCl +
O2
A | decomposition | C | combustion | B | synthesis | D | single replacement |
|
|
|
8)
|
Which is NOT a sign that a double displacement reaction has
occured?
A | gas may be formed | C | a precipitate is
formed | B | water may be produced | D | the coeffients are
equal |
|