Chemistry Kahoot
9 months ago
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10 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    which reaction shows the decomposition of potassium chlorate?

    answer choices

    Ca + O=Cao

    Mg(OH)2 → MgO + H2O.

    KClO3 = KCl + O2

    CaO + CO2→ CaCO3

  • Question 2
    30 seconds
    Q.

    which choice shows the synthesis of calcium carbonate?

    answer choices

    KClO3 = KCl + O2

    CaO + CO2→ CaCO3

    Mg(OH)2 → MgO + H2O.

    4Al +3O2 = 2Al2O3

  • Question 3
    30 seconds
    Q.

    Synthesis of copper oxide

    answer choices

    KCI + AgNO3 = AgCl + KNO3

    4Al +3O2 = 2Al2O3

    CaO + H2O → Ca(OH)2

    Ca + O=Cao

  • Question 4
    30 seconds
    Q.

    Combustion of C3H8

    answer choices

    KClO3 = KCl + O2

    C3H8+ O2 =3Co2 +4H2O

    KCl + AgNO3 —>AgCl + KNO3

    Mg(OH)2 → MgO + H2O.

  • Question 5
    30 seconds
    Q.

    Reaction between magnesium and copper sulfate

    answer choices

    Mg+CuSO4= MgSO4

    KCI + AgNO3 = AgCl + KNO3

    Mg(OH)2 → MgO + H2O.

    CaO + H2O → Ca(OH)2

  • Question 6
    30 seconds
    Q.

    Reaction between potassium chloride and silver nitrate

    answer choices

    CaO + H2O → Ca(OH)2

    Mg(OH)2 → MgO + H2O.

    4Al +3O2 = 2Al2O3

    KCI + AgNO3 = AgCl + KNO3

  • Question 7
    30 seconds
    Q.

    Decomposition of magnesium hydroxide

    answer choices

    KCI + AgNO3 = AgCl + KNO3

    Mg(OH)2 → MgO + H2O.

    CaO + CO2→ CaCO3

    Ca + O=Cao

  • Question 8
    30 seconds
    Q.

    Synthesis of barium hydroxide

    answer choices

    Ca + O=Cao

    KCl + AgNO3 —>AgCl + KNO3

    CaO + H2O → Ca(OH)2

    4Al +3O2 = 2Al2O3

  • Question 9
    30 seconds
    Q.

    Reaction of potassium with silver nitrate

    answer choices

    Ca + O=Cao

    KCl + AgNO3 —>AgCl + KNO3

    KClO3 = KCl + O2

    CaO + CO2→ CaCO3

  • Question 10
    30 seconds
    Q.

    Synthesis of aluminium oxide

    answer choices

    CaO + CO2→ CaCO3

    KClO3 = KCl + O2

    4Al +3O2 = 2Al2O3

    4Al +3O2 = 2Al2O3

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