Uncover the Science of Chemical Reactions in Everyday Life!
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Questions and Answers

Which of the following situations is an example of a chemical change?

  • Leaving milk at room temperature during summers
  • Food getting digested in our body
  • Leaving an iron tawa/pan/nail exposed to humid atmosphere
  • Grapes getting fermented (correct)

    • What happens when food is cooked?

  • Both a physical and chemical change occur
  • A physical change occurs
  • A chemical change occurs (correct)
  • No change occurs

    • How do we know that a chemical reaction has taken place?

  • By observing a change in color
  • By observing the formation of a gas
  • By observing the release or absorption of heat
  • All of the above (correct)

    • What is the difference between a physical change and a chemical change?

    <p>A physical change involves a change in state, while a chemical change involves a change in composition</p> Signup and view all the answers

    What is the purpose of Activity 1.1 mentioned in the text?

    <p>To explain the difference between physical and chemical changes</p> Signup and view all the answers

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