Which term can be used to express very small amounts such as fluoride in water?
Answer and explanation
Correct answer: Parts per million
Parts per million, or ppm, is designed to express very small concentrations. In water-quality work, trace substances such as fluoride can be reported as a few parts of solute per million parts of solution, often approximated as mg/L for dilute water. Molarity and molality are valid measures but are less convenient for this trace-reporting context.
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What is the correct answer to this question?
Parts per million
Why is this the correct answer?
Parts per million, or ppm, is designed to express very small concentrations. In water-quality work, trace substances such as fluoride can be reported as a few parts of solute per million parts of solution, often approximated as mg/L for dilute water. Molarity and molality are valid measures but are less convenient for this trace-reporting context.
Which subject and chapter does this question cover?
This is a Class 11 Chemistry question. Chapter: Chapter 01: Solutions.
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