12 Worksheets on Chemical Reactions & Chemical equations – MCQ | Multiple Choice Questions – chemistry

Types of Chemical Reactions – MCQ Worksheet (with answer) – set 7

  1. Which of the following is an example of a synthesis reaction?
    a. 2NO + O2->2NO2
    b. 2Na + Cl2 ->2NaCl2
    c. H2O ->H2 + O2
    d. two of the above
  2. A decomposition reaction is represented by the general equation
    a. A + B + C->AB + C.
    b. A + BC->AB + C.
    c. AB ->A + B
    d. none of the above
  3. Which type of reaction is represented by the following chemical equation? NaCl + AgF -> NaF + AgCl
    a. synthesis
    b. decomposition
    c. single replacement
    d. double replacement
  4. Which of the following is always a reactant in a combustion reaction?
    a. water
    b. oxygen
    c. carbon dioxide
    d. two of the above
  5. Methane is a
    a. hydrocarbon.
    b. component of natural gas.
    c. compound containing only carbon and hydrogen.
    d. all of the above
  6. What do living cells use for fuel?
    a. oxygen
    b. water
    c. glucose
    d. hydrocarbons
  7. The reaction in which carbon dioxide and water combine to form glucose
    a. is a combustion reaction.
    b. is called photosynthesis.
    c. takes place in all living cells.
    d. all of the above

Answers to MCQ Worksheet

Multiple Choice

  1. d
  2. c
  3. d
  4. b
  5. d
  6. c
  7. b

Types of Chemical Reactions – Matching worksheet (Match the definition with a term) – set 8

Matching Assignment:
Match each definition with the correct term.

Definitions
1. one reactant breaking down into two or more products
2. ions changing places in two compounds
3. two reactants combining to form a single product
4. substance reacting quickly with oxygen
5. one of the reactants in a combustion reaction
6. one ion taking the place of another in a compound
7. another term for a combustion reaction

Terms
a. synthesis reaction
b. combustion reaction
c. decomposition reaction
d. single replacement reaction
e. double replacement reaction
f. burning
g. fuel

Answer – Matching Assignment

Matching

  1. c
  2. e
  3. a
  4. b
  5. g
  6. d
  7. f

Types of Chemical Reactions – Fill in the Blanks worksheet – set 9

Fill in the Blank: Fill in the blank with the appropriate term.

  1. A(n) __ reaction is represented by the general equation A + B->C.
  2. The reaction H2CO2 ->H2O + CO2 is a(n) __ reaction.
  3. A(n) __ reaction is the reverse of a synthesis reaction.
  4. The general equation A + BC->B + AC represents a(n) __ reaction.
  5. A(n) __ replacement reaction produces two new compounds.
  6. Replacement reactions involve the exchange of one or more __.
  7. The products of a combustion reaction include carbon dioxide and __.

Answer – Fill in the Blank (answers)

Fill in the Blank

  1. synthesis
  2. decomposition
  3. decomposition
  4. single replacement
  5. double
  6. ions
  7. water

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12 Worksheets on Chemical Reactions & Chemical equations – MCQ | Multiple Choice Questions – chemistry
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