Chemistry Quiz For 11th Grade Students

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  • 1/10 Questions

    What is acid-base reaction ?  

    • Mixing of chemicals
    • Compounding chemicals
    • A physical reaction that occurs between an acid and base
    • A chemical reaction that occurs between an acid and base
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About This Quiz

Chemistry is a branch of science. It can also be considered as bedrock of science. What does it contain? . Matter!. Simple and and complex as study of matter. It also has different branches which includes atomic structure, lewis structure, stoichiochemistry, acid base reaction and so on. It is a very interesting subject but requires full concentration.

Chemistry Quiz For 11th Grade Students - Quiz

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  • 2. 
    What is stoichometry? - ProProfs

    What is stoichometry?

    • Calculation of reactants in a chemical reaction

    • Calculation of reactants and product in chemical reaction

    • Calculation of products in a chemical reaction

    • Non of the above

    Correct Answer
    A. Calculation of reactants and product in chemical reaction
    Explanation
    Stoichiometry is the calculation of the quantities of reactants and products involved in a chemical reaction. It involves using balanced chemical equations to determine the ratios of substances involved in the reaction. By using stoichiometry, one can calculate the amount of reactants needed or the amount of products that will be formed in a chemical reaction.

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  • 3. 
    Which law is stoichometry based on? - ProProfs

    Which law is stoichometry based on?

    • Law of conservation of mass

    • Law of dynamics 

    • Law of thermodynamics

    • Law of density

    Correct Answer
    A. Law of conservation of mass
    Explanation
    Stoichiometry is based on the Law of Conservation of Mass, which states that in a chemical reaction, matter is neither created nor destroyed. This law is fundamental to stoichiometry as it allows for the balancing of chemical equations and the calculation of the quantities of reactants and products involved in a reaction. By applying this law, one can determine the ratios of substances in a reaction and make predictions about the amounts of products that will be formed.

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  • 4. 
    What is the measure of quantity of matter ? - ProProfs

    What is the measure of quantity of matter ?

    • Density

    • Kilogram

    • Volume

    • Mass

    Correct Answer
    A. Mass
    Explanation
    Mass is the measure of the quantity of matter in an object. It represents the amount of material present in an object and is often measured in kilograms. Mass is different from weight, as weight is the force exerted on an object due to gravity. Mass remains constant regardless of the location, while weight can vary depending on the gravitational pull. Therefore, mass is the correct answer to the question.

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  • 5. 
    Which of the following correctly represent the chemical formula for copper (11) nitrate.  - ProProfs

    Which of the following correctly represent the chemical formula for copper (11) nitrate. 

    • Cu2No2

    • Cu(NO3)2

    • CuNO3

    • CU2NO3

    Correct Answer
    A. Cu(NO3)2
    Explanation
    The correct chemical formula for copper (II) nitrate is Cu(NO3)2. This formula indicates that there are two nitrate ions (NO3-) for every one copper ion (Cu2+), resulting in a balanced compound. The formula Cu2No2 is incorrect because it does not properly represent the charges of the ions. CuNO3 is also incorrect because it does not indicate the correct number of nitrate ions. CU2NO3 is incorrect because it uses an incorrect capitalization for the element symbol and does not represent the charges of the ions correctly.

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  • 6. 
    Which of the following is not a type of stoichometry? - ProProfs

    Which of the following is not a type of stoichometry?

    • Gas

    • Composition

    • Dynamic

    • Non of the above

    Correct Answer
    A. Dynamic
    Explanation
    The term "stoichiometry" refers to the calculation of the quantities of substances involved in chemical reactions. It involves determining the ratios of reactants and products in a chemical equation. Gas stoichiometry deals with the calculations involving gases, composition stoichiometry focuses on the composition of compounds, and dynamic stoichiometry is not a recognized type. Therefore, "Dynamic" is not a type of stoichiometry.

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  • 7. 
    What is the product of the following reaction? CH4+2O2 - ProProfs

    What is the product of the following reaction? CH4+2O2

    • CO2+H2O

    • CO+2H2O

    • 2CO2+H2O

    • CO2+2H2O

    Correct Answer
    A. CO2+2H2O
    Explanation
    The given reaction is the combustion of methane (CH4) with oxygen (O2). This reaction produces carbon dioxide (CO2) and water (H2O). Therefore, the correct answer is CO2+2H2O, which represents the product of the reaction.

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  • 8. 
    When was the term stoichometry first used? - ProProfs

    When was the term stoichometry first used?

    • 1792

    • 1793

    • 1794

    • 1795

    Correct Answer
    A. 1792
    Explanation
    The term stoichiometry was first used in 1792.

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  • 9. 
    Who first use the term stoichometry? - ProProfs

    Who first use the term stoichometry?

    • Charles darwin

    • Gay lussac

    • Jermias Benjamin

    • Boyles Lewis

    Correct Answer
    A. Jermias Benjamin
  • 10. 
    Which family is an element in Grouo 16,period 4 found? - ProProfs

    Which family is an element in Grouo 16,period 4 found?

    • Hallogen family

    • Metal family

    • Oxide family

    • Radon family

    Correct Answer
    A. Radon family
    Explanation
    The correct answer is Radon family. In the periodic table, Group 16 is known as the Chalcogens or Oxygen family. This group consists of elements such as oxygen, sulfur, selenium, and tellurium. However, Radon, which is a noble gas, is also located in Group 16. While noble gases are typically not considered part of a specific family, in this case, Radon is an exception and can be considered as a member of the Radon family.

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  • Oct 22, 2024
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  • Apr 20, 2019
    Quiz Created by
    Gregorynaomi

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