The Vital Role of Water in Chemical Reactions and Cellular Formation

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Questions and Answers

Which statement best describes the structure of water?

  • Water is made up of one hydrogen atom and three oxygen atoms.
  • Water is made up of three hydrogen atoms and one oxygen atom.
  • Water is made up of one hydrogen atom and two oxygen atoms.
  • Water is made up of two hydrogen atoms and one oxygen atom. (correct)

What is the significance of water's polarity?

  • Water's polarity allows it to form covalent bonds.
  • Water's polarity allows it to form hydrogen bonds. (correct)
  • Water's polarity allows it to dissolve other substances.
  • Water's polarity allows it to repel other substances.

What type of bond forms between water molecules?

  • Polar bond
  • Covalent bond
  • Hydrogen bond (correct)
  • Ionic bond

Why is water considered the medium of life?

<p>Water is essential for all chemical reactions in living organisms. (A)</p> Signup and view all the answers

What is the role of water in the formation of the first cells?

<p>Water encapsulated in a membrane played a role in the formation of cells. (A)</p> Signup and view all the answers

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