Alkalis and Bases Chemistry Quiz
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Questions and Answers

What is an alkali in chemistry?

  • An acidic, ionic salt of an alkali metal or an alkaline earth metal
  • A neutral, covalent compound of an alkali metal or an alkaline earth metal
  • A basic, ionic salt of an alkali metal or an alkaline earth metal (correct)
  • A compound that does not dissolve in water

    • What defines an alkali?

  • A salt that does not dissolve in water
  • A base that dissolves in water (correct)
  • A compound that does not dissolve in water
  • An acid that dissolves in water

    • What is the pH of a solution of a soluble base?

  • Less than 7.0
  • Greater than 7.0 (correct)
  • Equal to 7.0
  • Depends on the specific base

    • What is the origin of the word 'alkali'?

    <p>Arabic al qalīy, meaning the calcined ashes</p> Signup and view all the answers

    Why is the term 'alkaline' commonly used as a synonym for basic in English?

    <p>Because alkalis were the first bases known to obey the Arrhenius definition of a base</p> Signup and view all the answers

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