Alkalis and Bases Chemistry Quiz
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Questions and Answers

What is an alkali in chemistry?

  • A neutral substance with a pH of 7.0
  • A compound that reacts with water to form an acid
  • A basic, ionic salt of an alkali metal or an alkaline earth metal (correct)
  • A type of acid that dissolves in water

    • What does the term 'alkaline' commonly refer to in English?

  • A synonym for basic, especially for bases soluble in water (correct)
  • A compound with a pH less than 7.0
  • A type of neutral substance
  • A type of strong acid

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

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

    • 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

    What is the etymology of the word 'alkali'?

    <p>Derived from Arabic al qalīy, meaning the calcined ashes, referring to the original source of alkaline substances</p> Signup and view all the answers

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