Types Of Chemical Reactions Quiz

Reviewed by Daniel P
Daniel P, MSEd, Science |
Science Education
Review Board Member
With 11 years of urban teaching, Daniel excels as a STEM club teacher, demonstrating expertise in curriculum design, differentiated instruction for IEPs, and adept use of Google Classroom. His commitment to education shines through in his impactful contributions to STEM learning. Daniel holds a MSEd in Science Education from The City College of New York and a BA in History from Binghamton University. With certifications in Special Education and Biology, he is dedicated to curriculum development and enhancing educational experiences for students.
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Types Of Chemical Reactions Quiz - Quiz


Organic chemistry studies the reaction, structure & properties of various elements. Try the "Types Of Chemical Reactions Quiz" and test your knowledge of organic chemistry. This quiz is best to test your fundamentals of chemical reactions. If you have a test coming up, then this quiz can help you brush up on your basics.


Questions and Answers
  • 1. 

    Identify the type of reaction: N2 + 3H2 -----> 2NH3

    • A.

      Synthesis

    • B.

      Decomposition

    • C.

      Single Replacement

    • D.

      Double Replacement

    • E.

      Combustion

    Correct Answer
    A. Synthesis
    Explanation
    The given reaction involves the combination of two reactants, N2 and 3H2, to form a single product, 2NH3. This type of reaction is known as a synthesis reaction. In a synthesis reaction, two or more substances combine to form a more complex substance. In this case, nitrogen gas (N2) and hydrogen gas (H2) react to form ammonia (NH3).

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  • 2. 

    Which of the following is an example of an analysis reaction?

    • A.

      Mass spectrometry

    • B.

      Thermogravimetric analysis

    • C.

      Gravimetric analysis

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the options listed (mass spectrometry, Thermormogravimetric analysis, and Gravitational analysis ) are examples of analysis reactions. Analysis reactions involve the measurement and determination of the composition, structure, and properties of substances. In Mass spectrometry, a technique is used to identify and quantify the chemical composition of a sample. The thermogravimetric analysis measures the change in weight of a sample as a function of temperature, providing information about its thermal stability and decomposition. The gravimetric analysis involves the measurement of mass to determine the quantity of a substance in a sample.

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  • 3. 

    Identify the type of reaction:2NaI + F2 ---> 2NaF + I2 

    • A.

      Synthesis

    • B.

      Decomposition

    • C.

      Single Replacement

    • D.

      Double Replacement

    • E.

      Combustion

    Correct Answer
    C. Single Replacement
    Explanation
    In this reaction, sodium iodide (NaI) reacts with fluorine (F2) to form sodium fluoride (NaF) and iodine (I2). This is a single replacement reaction because one element (fluorine) replaces another element (iodine) in the compound.

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  • 4. 

    Identify the type of reaction:2AgCl + BaBr2 ----> 2AgBr + BaCl2

    • A.

      Synthesis

    • B.

      Decomposition

    • C.

      Single Replacement

    • D.

      Double Replacement

    • E.

      Combustion

    Correct Answer
    D. Double Replacement
    Explanation
    The given reaction involves the exchange of ions between two compounds, resulting in the formation of two new compounds. This type of reaction is known as a double replacement reaction. In this specific case, silver chloride (AgCl) and barium bromide (BaBr2) react to form silver bromide (AgBr) and barium chloride (BaCl2). The cations (Ag+ and Ba2+) switch places with the anions (Cl- and Br-), resulting in the formation of the new compounds.

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  • 5. 

    Identify the type of reaction:C2H6 + 5O2 ---> 3H2O + 2CO2

    • A.

      Synthesis

    • B.

      Decomposition

    • C.

      Single Replacement

    • D.

      Double Replacement

    • E.

      Combustion

    Correct Answer
    E. Combustion
    Explanation
    The given chemical equation represents a combustion reaction. In a combustion reaction, a substance reacts with oxygen to produce heat and light. In this case, the reactant C2H6 (ethane) combines with 5 molecules of O2 (oxygen) to form 3 molecules of H2O (water) and 2 molecules of CO2 (carbon dioxide). This reaction is characteristic of combustion reactions as it involves the rapid oxidation of a hydrocarbon fuel in the presence of oxygen, resulting in the production of water and carbon dioxide.

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  • 6. 

    Identify the type of reaction: 2H2O ---->2H2 + O2

    • A.

      Synthesis

    • B.

      Decomposition

    • C.

      Single replacement

    • D.

      Double replacement

    • E.

      Combustion

    Correct Answer
    B. Decomposition
    Explanation
     The given reaction represents a decomposition reaction. . In this reaction, two molecules of water (H2O) break down into two molecules of hydrogen gas (H2) and one molecule of oxygen gas (O2). Decomposition reactions involve the breakdown of a single compound into two or more simpler substances.

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  • 7. 

    How many atoms of oxygen are on the reactant side?2H2O ---> 2H2 + O2

    • A.

      One

    • B.

      Two

    • C.

      Four

    • D.

      Three

    • E.

      I don't know!

    Correct Answer
    B. Two
    Explanation
    In the given chemical equation, 2H2O represents two molecules of water. Each water molecule contains two atoms of hydrogen and one atom of oxygen. Therefore, on the reactant side, there are two atoms of oxygen present.

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  • 8. 

    How many atoms of hydrogen are on the left side of the arrow? 2H2O ---> 2H2 + O2

    • A.

      One

    • B.

      Two

    • C.

      Four

    • D.

      Three

    Correct Answer
    C. Four
    Explanation
    In the chemical equation you provided, 2H2O —> 2H2 + O2, there are 4 atoms of hydrogen on the left side. This is because the coefficient 2 in front of H2O indicates that there are 2 molecules of water, and each molecule of water (H2O) contains 2 atoms of oxygen. So, 2 molecules of water would contain 2*2 = 4 atoms of hydrogen.

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  • 9. 

    How many nitrogen atoms are on the right side?N2 + 3H2 ----> 2NH3

    • A.

      Three

    • B.

      Two

    • C.

      Four

    • D.

      Six

    • E.

      I don't know!

    Correct Answer
    B. Two
    Explanation
    In the given chemical equation, N2 + 3H2 -> 2NH3, there are two nitrogen atoms on the right side. This is because the coefficient in front of NH3 is 2, indicating that there are two molecules of NH3 formed. Each molecule of NH3 contains one nitrogen atom, so there are a total of two nitrogen atoms on the right side of the equation.

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  • 10. 

    How many hydrogen atoms are on the product side? N2 + 3H2 ----> 2NH3

    • A.

      Six

    • B.

      Five

    • C.

      Four

    • D.

      Three

    • E.

      Two

    Correct Answer
    A. Six
    Explanation
    In the balanced chemical equation, N2 + 3H2 -> 2NH3, it is clear that there are three molecules of H2 (hydrogen gas) on the reactant side. Each H2 molecule contains two hydrogen atoms. Therefore, the total number of hydrogen atoms on the reactant side is 3 x 2 = 6. Since the number of atoms remains the same in a chemical reaction, there will also be six hydrogen atoms on the product side.

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Daniel P |MSEd, Science |
Science Education
With 11 years of urban teaching, Daniel excels as a STEM club teacher, demonstrating expertise in curriculum design, differentiated instruction for IEPs, and adept use of Google Classroom. His commitment to education shines through in his impactful contributions to STEM learning. Daniel holds a MSEd in Science Education from The City College of New York and a BA in History from Binghamton University. With certifications in Special Education and Biology, he is dedicated to curriculum development and enhancing educational experiences for students.

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  • Current Version
  • Dec 29, 2023
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  • Nov 30, 2008
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