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Questions and Answers

What is the key difference between oxidation and reduction in a chemical reaction?

  • Oxidation involves loss of electrons, while reduction involves gain of electrons. (correct)
  • Both oxidation and reduction involve the gain of electrons.
  • Both oxidation and reduction involve the loss of electrons.
  • Oxidation involves gain of electrons, while reduction involves loss of electrons.

    • What is the process called when a single reactant breaks down into two or more simpler products?

  • Thermal decomposition reaction
  • Decomposition reaction (correct)
  • Photochemical decomposition
  • Combination reaction

    • What is the chemical formula for rust?

  • Fe2O3.xH2O (correct)
  • FeSO4
  • Fe(OH)3
  • FeO

    • What is electrolysis?

    <p>A decomposition reaction carried out with the help of electric current.</p> Signup and view all the answers

    Which type of reaction involves two or more reactants combining to give a single product?

    <p>Combination reaction</p> Signup and view all the answers

    What does the term 'oxidation' refer to in a chemical context?

    <p>Loss of electrons</p> Signup and view all the answers

    What happens in a thermal decomposition reaction?

    <p>A single reactant breaks down into simpler products due to heating.</p> Signup and view all the answers

    'Electrolysis' in chemistry involves:

    <p>A thermal decomposition reaction carried out with the help of electric current.</p> Signup and view all the answers

    'Reduction' in a chemical reaction refers to:

    <p>'Gain of electrons'</p> Signup and view all the answers

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