Solutions Formation and Properties Quiz
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Questions and Answers

What is the purpose of using intravenous injections dissolved in water containing salts at particular ionic concentrations?

  • To reduce the effectiveness of the injections
  • To cause precipitation of the salts
  • To match with blood plasma concentrations (correct)
  • To increase the risk of adverse reactions

    • How does 1 part per million (ppm) of fluoride ions in water affect tooth decay?

  • Has no effect on tooth decay
  • Causes tooth decay
  • Prevents tooth decay (correct)
  • Induces mottling of teeth

    • What distinguishes German silver (mixture of copper, zinc and nickel) from brass (mixture of copper and zinc)?

  • Presence of nickel (correct)
  • Higher concentration of copper
  • Lack of zinc
  • Higher density

    • What do colligative properties of solutions correlate with?

    <p>Molar masses of the solutes</p> Signup and view all the answers

    Why do we rarely come across pure substances in normal life?

    <p>Because mixtures are more useful in life due to their composition</p> Signup and view all the answers

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