Chemical Reactions Quiz
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Questions and Answers

What can we infer when milk is left at room temperature during summers?

  • It undergoes a chemical change (correct)
  • It becomes colder
  • It turns into yogurt
  • It remains unchanged

    • What happens when an iron tawa/pan/nail is left exposed to humid atmosphere?

  • It becomes smoother
  • It changes color due to a physical change
  • It undergoes rusting due to a chemical change (correct)
  • It gets colder

    • What occurs when grapes get fermented?

  • They become sweeter
  • They change color
  • They become firmer
  • They undergo a chemical change due to fermentation (correct)

    • What can be concluded when food is cooked?

    <p>It undergoes a chemical change</p> Signup and view all the answers

    What happens when we respire?

    <p>Chemical reactions occur in our body</p> Signup and view all the answers

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