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Questions and Answers
What is the etymological origin of the word 'alkali'?
What is the etymological origin of the word 'alkali'?
- Derived from Latin alcali, meaning basic salt
- Derived from Greek alkales, meaning water-soluble base
- Derived from Sanskrit alkala, meaning caustic substance
- Derived from Arabic al qalīy, meaning calcined ashes (correct)
What is the pH of a solution of a soluble base?
What is the pH of a solution of a soluble base?
- Greater than 7.0 (correct)
- Depends on the specific base
- Exactly 7.0
- Less than 7.0
What is the composition of potash, an alkaline substance mentioned in the text?
What is the composition of potash, an alkaline substance mentioned in the text?
- Mostly calcium hydroxide
- Mostly magnesium sulfate
- Mostly sodium chloride
- Mostly potassium carbonate (correct)
What was produced by heating potash with calcium hydroxide?
What was produced by heating potash with calcium hydroxide?
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Why is the term 'alkaline' commonly used as a synonym for basic in English?
Why is the term 'alkaline' commonly used as a synonym for basic in English?
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