TYPES OF CHEMICAL REACTION MULTIPLE CHOICE TEST

Read the questions carefully and choose the letter of your answer.

1.  Combination reactions always:
     a.  use only one reactant.
     b.  form only one product.
     c.  involve an element and an ionic compound.
     d.  require oxygen gas.

2.  According to the law of conservation of mass, the total mass of the reacting substances is
     a.  always more than the total mass of the products
     b.  always less than the total mass of the products
     c.  sometimes more and sometimes less than the total mass of the products
     d.  always equal to the total mass of the products.

3.  Hot iron reacting with pure oxygen is classifies as
     a.  single replacement reaction.
     b.  double replacement reaction.
     c.  synthesis reaction.
     d.  decomposition reaction.

4.  A decomposition chemical reaction can be compared to
     a.  two dancing couples switching partners.
     b.  eight couples doing a square dance.
     c.  a dancing couple breaking up.
     d.  two single people joining for dance.

5.  The reaction

     is an example of
     a.  combination reaction.
     b.  decomposition reaction.
     c.  single-replacement reaction.
     d.  double replacement reaction.

6.  The reaction

     is a(n)

     a.  synthesis reaction.

     b.  decomposition reaction.

     c.  combustion reaction.

     d.  combination reaction.

7.  A simple oxidation reaction involves a

     a.  single replacement reaction where oxygen is removed from a compound.

     b.  decomposition reaction of a compound containing oxygen.

     c.  single replacement reaction where oxygen displaces another element.

     d.  a reaction of a substance with oxygen.

8.  A synthesis chemical reaction can be compared to 

     a.  two dancing couple switching partners.

     b.  a single person cutting in on a dancing couple.

     c.  a dancing couple breaking up after the music ends.

     d.  two single people joining for dance.

9.  Which of the following type of chemical reactions results in a single product.

     a.  direct combination reaction

     b.  decomposition reaction

     c.  single replacement reaction

     d.  double replacement reaction.

10.  A combustion reaction usually involves
     a.  the production of radioactive solid.
     b.  something being burned.
     c.  the synthesis of hydrocarbon.
     d.  the production of no new substances.

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