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CHEMICAL REACTIONS

Quiz by Jeoffrey Sanga Delos Reyes

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15 questions
Show answers
  • Q1

    Given the reaction: 

    Which is/are the reactant/s in the reaction?

    Question Image

    NaNO2 (s)

    NaNO3 (s)

    O2 (g)

    NaNO2 (s) + O2 (g)

    45s
  • Q2

    Given the reaction:

    Which is/are the product/s in the reaction?

    Question Image

    O2 (g)

    NaNO3 (s)

    NaNO2 (s)

    NaNO2 (s) + O2 (g)

    45s
  • Q3

    Given the reaction:

    What type of reaction is described by the chemical equation?

    Question Image

    Double replacement

    Single replacement

    Decomposition

    Synthesis

    45s
  • Q4

    Given the reaction:

    The following are evidences of this reaction EXCEPT:

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    Formation of new products

    Production of heat

    Evolution of gas

    Production of precipitate

    45s
  • Q5

    Given the reaction:

    What coefficients will balance the given equation?

    Question Image

    2, 2, 1

    2, 1, 1

    1, 2, 2

    2, 2, 1

    120s
  • Q6

    In the reaction: 

    What product/s will be formed after the reaction is complete?

    Question Image

    LiOH (s) and H2 (g)

    Li(OH)2 (s)

    LiO (s) and H (s)

    No product will form

    60s
  • Q7

    In the reaction: 

    What type of reaction is described by the chemical equation?

    Question Image

    Combustion

    Double Replacement

    Single Replacement

    Synthesis

    45s
  • Q8

    Given the reaction:

    What coefficients will balance the given equation?

    Question Image

    2, 1, 2, 2

    1, 2, 2, 2

    2, 2, 2, 1

    2, 2, 1, 2

    120s
  • Q9

    What is the correct equation for the reaction:

    dissolved sodium hydroxide reacts with phosphoric acid to form sodium phosphate and water

    NaO2 (aq) + HPO4 (aq) \ \ \longrightarrow\ \ NaPO4 (aq) + H2(l)

    NaOH (aq + H3PO4 (aq) \ \ \longrightarrow\ \ NaPO4 (aq) + H2(l)

    NaOH (aq) + H3PO4 (aq) \ \ \longrightarrow\ \ Na3PO4 (aq) + H2O (l)

    NaOH (s) + H3PO4 (g) \ \ \longrightarrow\ \ NaPO4 (aq) + H2O (l)

    120s
  • Q10

    What is the correct equation for the reaction:

    dissolved sodium hydroxide reacts with phosphoric acid to form sodium phosphate and water

    What type of reaction is described by the chemical equation?

    single replacement

    double replacement

    decomposition

    synthesis

    45s
  • Q11

    What is the correct equation for the reaction:

    dissolved sodium hydroxide reacts with phosphoric acid to form sodium phosphate and water

    What coefficients will balance the given equation?

    3:1:2:3

    1:2:1:2

    3:1:1:3

    2:1:1:3

    120s
  • Q12
    45s
  • Q13
    45s
  • Q14

    The following substances will produce a reaction with NaBr in a single displacement reaction EXCEPT:

    Note: Click the picture to enlarge.

    Question Image

    Cl2 (g)

    F2 (g)

    Ca (s)

    Fe (s)

    120s
  • Q15

    Which of the following are the correct products of the precipitation reaction that occurs between AgNO3 (aq) and HCl (aq)?

    Note: Click the picture to enlarge.

    Question Image

    No reaction will occur

    AgCl (aq) and HNO3 (s)

    AgCl (s) and HNO3 (aq)

    Ag (s) and H2O (l)

    120s

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