Types of Reactions
3 years ago
carreau
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20 QuestionsShow answers
  • Question 1
    60 seconds
    Q. 4Si + S8 --> 2Si2S4
    answer choices
    Synthesis
    Decomposition
    Single displacement
    Double displacement
  • Question 2
    60 seconds
    Q. 3Ca + 2AlCl3 --> 3CaCl2 + 2Al
    answer choices
    Synthesis
    Decomposition
    Single diplacement
    Double displacement
  • Question 3
    60 seconds
    Q. 3KOH + H3PO4 --> K3PO4 + 3H2O
    answer choices
    Synthesis 
    Decomposition
    Single displacement
    Double displacement
  • Question 4
    60 seconds
    Q. 2Pb(NO3)2 --> 2PbO + 4NO2 + O2
    answer choices
    Synthesis 
    Decomposition
    Single displacement
    Combustion
  • Question 5
    60 seconds
    Q. 3Mg + N2 --> Mg3N2
    answer choices
    Synthesis 
    Decomposition
    Single displacement
    Combustion
  • Question 6
    60 seconds
    Q. 2NO2 --> N2 + 2O2
    answer choices
    Synthesis
    Decomposition
    Single displacement
    Combustion
  • Question 7
    60 seconds
    Q. P4 + 3O--> 2P2O3
    answer choices
    Synthesis 
    Decomposition
    Single displacement
    Combustion
  • Question 8
    60 seconds
    Q. Fe + H2SO4 --> Fe2(SO4)3 + H2
    answer choices
    Synthesis (combination)
    Decomposition
    Single replacement
    Combustion
  • Question 9
    120 seconds
    Q. Which reaction type is the following: C5H10O4 + O2 --> CO2 + H2O
    answer choices
    Decomposition
    Single Replacement
    Combustion
    Double Replacement
  • Question 10
    30 seconds
    Q. Which of the following is the general formula for a decomposition reaction?
    answer choices
    A + B  → AB
    AB → A + B
    AB + C → AC + B
    AB + CD → AC + BD
  • Question 11
    60 seconds
    Q. When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced
    answer choices
    charge
    subscript
    random number
    coefficient
  • Question 12
    60 seconds
    Q. What coefficient should be used to make the following equation balanced?
    N2+O2--> _NO 
    answer choices
    1
    2
    3
    4
  • Question 13
    60 seconds
    Q. Balance this equation:
     __Li + __Cl2 -> __LiCl
    answer choices
    2Li + Cl2 -> 4LiCl2
    2Li + Cl2 -> LiCl2
    2Li +  Cl2 -> 2LiCl
  • Question 14
    120 seconds
    Q. C4H12 + O2 --> CO2 + H2O
    answer choices
    Synthesis
    Combustion
    Single Replacement
    Double Replacement
  • Question 15
    120 seconds
    Q. H2SO4 + Fe -->H2 + FeSO4
    answer choices
    Synthesis
    Decomposition
    Single Replacement
    Double Replacement
  • Question 16
    120 seconds
    Q. PbCl2 + AgNO3 ---> Pb(NO3)2 + AgCl 
    answer choices
    Synthesis
    Decomposition
    Single Replacement
    Double Replacement
  • Question 17
    120 seconds
    Q. NH3 + HCl ---> NH4Cl 
    answer choices
    Synthesis
    Decomposition
    Single Replacement
    Double Replacement
  • Question 18
    30 seconds
    Q. Which chemical reaction switches 2 elements?
    answer choices
    Double Replacement
    Single Replacement
    Combustion
    Decomposition
  • Question 19
    30 seconds
    Q. Which chemical reaction takes place when 2 substances react to form a single product?
    answer choices
    Decomposition
    Double Replacement
    Single Replacement
    Synthesis
  • Question 20
    30 seconds
    Q. At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
    answer choices
    the product is doubled
    the product is half the mass of the reactants
    the mass is the same
    the mass changes depending on the reaction
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