Chemical Reactions in Everyday Life Quiz
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Questions and Answers

What is the nature of the changes observed in the given situations?

  • Physical changes
  • Environmental changes
  • Chemical changes (correct)
  • Biological changes

    • What is the indicator of a chemical change according to the text?

  • Change in color (correct)
  • Change in volume
  • Change in state
  • Change in mass

    • What is the purpose of the mentioned activity with the magnesium ribbon?

  • To study the properties of magnesium
  • To observe a chemical reaction (correct)
  • To measure the mass of the ribbon
  • To observe a physical change

    • What is the significance of collecting the ash formed from burning the magnesium ribbon?

    <p>To analyze the composition of the ash</p> Signup and view all the answers

    What does the quote 'Facts are not science — as the dictionary is not literature' imply?

    <p>Science involves interpretation and application of facts</p> Signup and view all the answers

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