Chemical Balancing Quiz
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Questions and Answers

What is the purpose of chemical balancing?

  • To increase the rate of a chemical reaction
  • To change the color of a chemical substance
  • To create new chemical compounds
  • To ensure the conservation of atoms in a chemical reaction (correct)

    • In a balanced chemical equation, which statement is true?

  • The number of atoms of each element is different on the reactant and product sides
  • The mass of the reactants and products is not equal
  • The equation obeys the law of conservation of mass and atoms (correct)
  • The reaction always goes to completion

    • What happens if a chemical equation is unbalanced?

  • The equation becomes invalid and cannot represent a real chemical reaction (correct)
  • The mass of the products is greater than the mass of the reactants
  • The reaction becomes more efficient
  • The color of the products changes

    • What is the key purpose of balancing a chemical equation?

    <p>To ensure that the mass of the products equals the mass of the reactants</p> Signup and view all the answers

    What happens if a chemical equation is unbalanced?

    <p>The mass of the products will not equal the mass of the reactants</p> Signup and view all the answers

    Why is it important for a chemical equation to be balanced?

    <p>To accurately represent the stoichiometry of the reaction</p> Signup and view all the answers

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