Chemical Reactions And Balancing Chemical Equations Under Mr. Tan

10 Questions | Total Attempts: 521

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Chemical Reactions And Balancing Chemical Equations Under Mr. Tan

This quiz will be your sixth formal assessment. Good luck.


Questions and Answers
  • 1. 
    Ca(OH)2 + HCl ---> CaCl2+ H2OWhat type of reaction is this?
    • A. 

      Combustion

    • B. 

      Single replacement

    • C. 

      Double displacement

    • D. 

      Combination

    • E. 

      Decomposition

  • 2. 
    C3H8(g) + O2(g) ----> CO2(g) + H2O(g)What type of reaction is this
    • A. 

      Combustion

    • B. 

      Double displacement

    • C. 

      Combination

    • D. 

      Single replacement

    • E. 

      Decomposition

  • 3. 
    C3H8(g) + O2(g) ----> CO2(g) + H2O(g)Balance this reaction. What are the coefficients for each reactant/product in the reaction?
    • A. 

      1,4, 3, 4

    • B. 

      3, 5, 4, 1

    • C. 

      3, 3, 4, 2

    • D. 

      1,3, 5, 2

    • E. 

      1, 5, 3 , 4

  • 4. 
    Ca(OH)2 + HCl ---> CaCl2+ H2OBalance this reaction. What are the coefficients for each reactant/product in the reaction?
    • A. 

      1, 2, 1, 2

    • B. 

      2, 2, 1, 3

    • C. 

      1, 3, 4, 1

    • D. 

      3, 3, 4, 1

    • E. 

      2, 3, 1, 2

  • 5. 
    Cu + HNO3 Cu(NO3)2 + NO + H2OBalance this reaction. What are the coefficients for each reactant/product in the reaction?
    • A. 

      3, 4, 6, 5

    • B. 

      3, 8, 3, 2, 4

    • C. 

      2, 4, 4, 7, 2

    • D. 

      1, 5, 4, 7, 2

    • E. 

      6,2 , 2,4

  • 6. 
    Cu + HNO3 Cu(NO3)2 + NO + H2OWhich of the following is a reactant?
    • A. 

      Cu(NO3)2

    • B. 

      NO

    • C. 

      H2O

    • D. 

      HNO3

    • E. 

      None of these

  • 7. 
    2H20 --> 2H2 + O2What type of chemical reaction is this?
    • A. 

      Combustion

    • B. 

      Combination

    • C. 

      Single displacement

    • D. 

      Double displacement

    • E. 

      Decomposition

  • 8. 
    Al + O2  -->  Al2O3What are the coefficients that would balance this reaction?
    • A. 

      2, 3, 3

    • B. 

      3, 4, 4

    • C. 

      4, 3, 2

    • D. 

      2, 4, 3

    • E. 

      1, 3 ,2

  • 9. 
    C2H6 + O2 --> CO2 + H2OBalance this reaction. What are the coefficients for each reactant/product in the reaction?
    • A. 

      3, 3, 2, 4

    • B. 

      1, 2, 2, 3

    • C. 

      4, 2 , 3 , 4

    • D. 

      2, 7 , 4 ,6

    • E. 

      None of the above

  • 10. 
    Tin (IV) oxide reacts with hydrogen gas to form water and solid tin. This reaction can be represented by
    • A. 

      SnO2(s) → Sn(s) + 2 H2O(g)

    • B. 

      Sn(s) + SnO2(s) → ) 2 H2(g)

    • C. 

      SnO2(s) +H2O(g) → Sn(s) + 22 H2(g)

    • D. 

      SnO2(s) + 2 H2(g) + Sn(s)→ 2 H2O(g)

    • E. 

      2 H2(g) + SnO2(s) + → Sn(s) + 2 H2O(g)