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Unit 10C Chapter 6 Quiz



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

A process in which substances interact, causing the formation of new substances with new properties, is called
a.
chemical reaction
b.
complete combustion
c.
incomplete combustion
d.
corrosion
 

 2. 

What are the reactants in the following word equation?
zinc + copper sulfate ® zinc sulfate + copper + energy
a.
zinc sulfate and copper
b.
zinc sulfate, copper, and energy
c.
zinc and copper sulfate
d.
zinc and copper
 

 3. 

Which of the following statements is true regarding word equations and chemical equations?
a.
In both, substances on the right side of the reaction are called reactants.
b.
The word equation provides more detail than the chemical equation.
c.
The chemical equation contains the names of the chemicals written out in full.
d.
In both, an arrow indicates the direction in which the reaction is going.
 

 4. 

The law of conservation of mass states that in any given chemical reaction, the total mass of the reactants
a.
will be greater than the total mass of the products
b.
will be less than the total mass of the products
c.
equals the total mass of the products
d.
has no relationship to the total mass of the products
 

 5. 

What is the balanced form of the following skeleton equation?
N2 + H2 ® NH3
a.
N2 + H2 ® 2NH3
b.
N2 + 3H2 ® 2NH3
c.
2N2 + H2 ® 4NH3
d.
3N2 + H2 ® 3NH3
 

 6. 

A reaction in which two reactants combine to make a larger or more complex product is called a
a.
synthesis reaction
b.
decomposition reaction
c.
single displacement reaction
d.
double displacement reaction
 

 7. 

A chemical reaction that follows the general pattern AB ® A + B is called a
a.
synthesis reaction
b.
decomposition reaction
c.
single displacement reaction
d.
double displacement reaction
 

 8. 

Powdered zinc metal reacting with sulfur to produce zinc sulfide powder is an example of a
a.
synthesis reaction
b.
decomposition reaction
c.
single displacement reaction
d.
double displacement reaction
 

 9. 

A reaction in which an element displaces another element in a compound, producing a new compound and a new element, is called a
a.
synthesis reaction
b.
decomposition reaction
c.
single displacement reaction
d.
double displacement reaction
 

 10. 

The use of airbags in cars is a lifesaving application of a
a.
synthesis reaction
b.
decomposition reaction
c.
single displacement reaction
d.
double displacement reaction
 

 11. 

Precipitates often form during what type of chemical reaction?
a.
synthesis reaction
b.
decomposition reaction
c.
single displacement reaction
d.
double displacement reaction
 

 12. 

The reaction, copper + silver nitrate ® copper(II) nitrate + silver, is an example of a
a.
synthesis reaction
b.
decomposition reaction
c.
single displacement reaction
d.
double displacement reaction
 

 13. 

The reaction represented by the chemical equation AgNO3(aq) + NaCl(aq) ® AgCl(s) + NaNO3(aq) is an example of a
a.
synthesis reaction
b.
decomposition reaction
c.
single displacement reaction
d.
double displacement reaction
 

 14. 

What type of reaction usually produces an oxide and energy?
a.
single displacement
b.
decomposition
c.
combustion
d.
corrosion
 

 15. 

The product copper(II) oxide is in what physical state in the following equation?
energy + CuCO3(s) ® CO2(g) + CuO(s)
a.
solid
b.
liquid
c.
gas
d.
aqueous
 

 16. 

Which of the following examples obeys the law of conservation of mass?
a.
K + Br2 ® KBr
b.
Ca + Cl2 ® CaCl2
c.
H2O2 ® H2O + O2
d.
Na + O2 ® Na2O
 

 17. 

The balanced chemical equation for the reaction of iron(III) nitrate and sodium hydroxide, forming iron(III) hydroxide and sodium nitrate is
a.
Fe(NO3)3 + NaOH ® Fe(OH)3 + NaNO3
b.
Fe(NO3)2 + 2NaOH ® Fe(OH)3 + 2NaNO3
c.
Fe(NO3)3 + 3NaOH ® Fe(OH)3 + 3NaNO3
d.
Fe(NO) + NaOH ® Fe(OH) + NaNO
 

 18. 

What type of reaction occurs when metals are placed into acids?
a.
combustion
b.
decomposition
c.
corrosion
d.
single displacement
 

 19. 

What are the possible products of a complete combustion reaction?
a.
carbon monoxide, water, and energy
b.
carbon, water, and energy
c.
carbon monoxide, soot, carbon, water, and energy
d.
carbon dioxide, water, and energy
 

 20. 

What is the name of an odourless, colourless, highly toxic gas that is sometimes a product of incomplete combustion?
a.
carbon dioxide
b.
carbon monoxide
c.
soot
d.
rust
 



 
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