Chemistry Branches and Importance Quiz
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Questions and Answers

What is one of the uses of chemistry mentioned in the text?

  • Predicting future events
  • Designing computer software
  • Understanding the composition of matter (correct)
  • Performing surgical procedures

    • Which branch of chemistry is highlighted for its role in improving the quality of life?

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

    • What elements are commonly lacking in soil and are essential for plant growth?

  • Nitrogen, Phosphorus, and Potassium (correct)
  • Oxygen and carbon
  • Iron and copper
  • Sodium and magnesium

    • Which process is used to eradicate pests and diseases in plants according to the text?

    <p>Pesticides</p> Signup and view all the answers

    What is a medical machine mentioned in the text that helps in diagnosis?

    <p>MRI (Magnetic Resonance Imaging)</p> Signup and view all the answers

    What class of materials is known for being hard, brittle, and stable at high temperatures?

    <p>Ceramics</p> Signup and view all the answers

    What is the main use of ceramic oxygen sensors in cars?

    <p>Optimizing combustion and reducing exhaust emissions</p> Signup and view all the answers

    Which type of alloy is Nitinol?

    <p>Shape-memory alloy</p> Signup and view all the answers

    What are the main components of synthetic polymers (plastics)?

    <p>Long chains of atoms covalently bonded together</p> Signup and view all the answers

    What do stents do when placed inside arteries during medical procedures?

    <p>Support the artery walls to prevent blockages</p> Signup and view all the answers

    Who discovered the electron through the cathode ray experiment in 1897?

    <p>Jospeh John Thomson</p> Signup and view all the answers

    What did Ernest Rutherford name as the three kinds discovered by Henri Becquerel?

    <p>Alpha, beta, and gamma rays</p> Signup and view all the answers

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