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Acids, Alkalis, and the pH Scale Quiz
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Acids, Alkalis, and the pH Scale Quiz

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@EasedLogarithm

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Questions and Answers

What is the volume of 20/1000 expressed in dm^3?

  • 0.025 dm^3
  • 0.2 dm^3
  • 0.02 dm^3 (correct)
  • 0.002 dm^3

    • In the reaction HCl + NaOH -> H2O + NaCl, what is the mole ratio between NaOH and HCl?

  • 2:2
  • 1:2
  • 1:1 (correct)
  • 2:1

    • What is the formula to calculate moles?

  • Volume x Density
  • Volume - Concentration
  • Volume / Concentration (correct)
  • Volume x Mass

    • Which type of acids are completely ionized in aqueous solution?

    <p>Strong acids</p> Signup and view all the answers

    What happens to the pH as the acidity of a solution increases?

    <p>pH decreases</p> Signup and view all the answers

    What is the concentration of a solution with 0.03 moles in a volume of 0.06 dm^3?

    <p>0.2 mol/dm^3</p> Signup and view all the answers

    Which acid is an example of a weak acid?

    <p>Citric acid</p> Signup and view all the answers

    What factor increases by 10 as the pH of a solution decreases by one unit?

    <p>[H+] concentration</p> Signup and view all the answers

    'Stronger an acid, lower the pH' showcases the relationship between ________.

    <p>[H+] concentration and acidity of a solution</p> Signup and view all the answers

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