Basic Concepts of Chemistry: Matter, Substances, Mixtures
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Questions and Answers

What is the primary focus of chemistry?

  • The study of elements and their reactions
  • The study of organic and inorganic substances
  • The study of physical and chemical changes
  • The study of matter and its properties (correct)

    • How can matter be classified based on its chemical composition?

  • Metals and non-metals
  • Pure substances and mixtures (correct)
  • Solids and liquids
  • Organic and inorganic

    • Which of the following is NOT a branch of chemistry?

  • Inorganic chemistry
  • Physical chemistry
  • Organic chemistry
  • Geological chemistry (correct)

    • What is the focus of organic chemistry?

    <p>The study of compounds of carbon (D)</p> Signup and view all the answers

    Which of the following fields does NOT require knowledge of chemistry?

    <p>Literature (D)</p> Signup and view all the answers

    What is the scope of chemistry in our daily lives?

    <p>In every aspect of life (C)</p> Signup and view all the answers

    Which of the following is a pure substance?

    <p>A diamond (A)</p> Signup and view all the answers

    What is a characteristic of pure substances?

    <p>They always have the same properties (B)</p> Signup and view all the answers

    Which category does gasoline fall under?

    <p>Mixture (B)</p> Signup and view all the answers

    What type of substance is a rusty nail?

    <p>Mixture (C)</p> Signup and view all the answers

    Which of the following cannot be broken down into simpler substances by ordinary chemical changes?

    <p>Diamond (C)</p> Signup and view all the answers

    What category does skin fall under?

    <p>Mixture (C)</p> Signup and view all the answers

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