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Ch 11 Chemical Reaction Section 1 & 2

Multiple Choice (Value 18)
Identify the choice that best completes the statement or answers the question.
 

 1. 
Which of the following statements is NOT correct?
a.
The only way to determine the products of a reaction is to carry out the reaction.
b.
A single reactant is the identifying characteristic of a decomposition reaction.
c.
Complete combustion has occurred when all the carbon in the product is in the form of carbon dioxide.
d.
All chemical reactions can be classified as one of five general types.
 

 2. 
Which of the following statements is true about single-replacement reactions?
a.
Any metal replaces any other metal.
c.
Two reactants produce two products.
b.
They involve a single product.
d.
They are restricted to metals.
 

 3. 
Chemical equations ____.
a.
show how to write chemical formulas
b.
describe chemical reactions
c.
give directions for naming chemical compounds
d.
describe only biological changes
 

 4. 
Chemical reactions ____.
a.
only occur outside living organisms
c.
create and destroy atoms
b.
produce new substances
d.
occur only in living organisms
 

 5. 
The products of a combustion reaction do NOT include ____.
a.
hydrogen
c.
water
b.
carbon dioxide
d.
carbon monoxide
 

 6. 
A catalyst is ____.
a.
the product of a combustion reaction
b.
a solid product of a reaction
c.
one of the reactants in single-replacement reactions
d.
not used up in a reaction
 

 7. 
The product of a combination reaction is Ba(OH)mc007-1.jpg. If one of the reactants is Hmc007-2.jpgO, what is the other reactant?
a.
BaO
c.
BaH
b.
BaOmc007-3.jpg
d.
Bamc007-4.jpgO
 

 8. 
The equation 2Cmc008-1.jpgHmc008-2.jpgOH mc008-3.jpg 9Omc008-4.jpg mc008-5.jpg 6COmc008-6.jpg mc008-7.jpg 8Hmc008-8.jpgO is an example of which type of reaction?
a.
single-replacement reaction
c.
combustion reaction
b.
double-replacement reaction
d.
decomposition reaction
 

 9. 
A double-replacement reaction takes place when aqueous cobalt(III) chloride reacts with aqueous lithium hydroxide. One of the products of this reaction is ____.
a.
Co(OH)mc009-1.jpg
c.
LiClmc009-3.jpg
b.
LiComc009-2.jpg
d.
Co(OH)mc009-4.jpg
 

 10. 
If you rewrite the following word equation as a balanced chemical equation, what will the coefficient and symbol for fluorine be?
nitrogen trifluoride mc010-1.jpg nitrogen mc010-2.jpg fluorine
a.
6F
c.
3Fmc010-4.jpg
b.
Fmc010-3.jpg
d.
6Fmc010-5.jpg
 

 11. 
What are the correct formulas and coefficients for the products of the following double-replacement reaction?
RbOH mc011-1.jpg Hmc011-2.jpgPOmc011-3.jpg mc011-4.jpg
a.
Rbmc011-5.jpgPOmc011-6.jpg mc011-7.jpg 3Hmc011-8.jpgO
c.
RbPOmc011-12.jpg mc011-13.jpg 2Hmc011-14.jpgO
b.
Hmc011-9.jpgRb mc011-10.jpg POmc011-11.jpgOH
d.
Rb(POmc011-15.jpg)mc011-16.jpg mc011-17.jpg Hmc011-18.jpgO
 

 12. 
The reaction 2Fe mc012-1.jpg 3Clmc012-2.jpg mc012-3.jpg 2FeClmc012-4.jpg is an example of which type of reaction?
a.
combination reaction
c.
decomposition reaction
b.
combustion reaction
d.
single-replacement reaction
 

 13. 
In a double-replacement reaction, ____.
a.
one of the reactants is often water
b.
the reactants are usually a metal and a nonmetal
c.
energy in the form of heat or light is often produced
d.
the reactants are generally two ionic compounds in aqueous solution
 

 14. 
Symbols used in equations, together with the explanations of the symbols, are shown below. Which set is correct?
a.
(g), grams
c.
(l), liters
b.
(aq), dissolved in water
d.
(s), solid product
 

 15. 
Which of the following statements is NOT true about the decomposition of a simple binary compound?
a.
The reactant could be an ionic or a molecular compound.
b.
The reactant is a single substance.
c.
The products are the constituent elements.
d.
The products are unpredictable.
 

 16. 
Which of the following statements is NOT true about what happens in all chemical reactions?
a.
New atoms are formed as products.
b.
The bonds of the reactants are broken and new bonds of the products are formed.
c.
The starting substances are called reactants.
d.
The ways in which atoms are joined together are changed.
 

 17. 
Which of the following statements is NOT true about double-replacement reactions?
a.
The product may be a molecular compound.
b.
The product may precipitate from solution.
c.
The product may be a gas.
d.
The reactant may be a solid metal.
 

 18. 
What does the symbol mc018-1.jpg in a chemical equation mean?
a.
Heat is supplied to the reaction.
c.
A catalyst is needed.
b.
yields
d.
precipitate
 



 
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