Which statement correctly explains the difference between a strong acid and a concentrated acid?
Answer and explanation
Correct answer: Strength concerns ionisation, while concentration concerns amount of acid
Acid strength describes the extent to which an acid ionises in water. A strong acid ionises almost completely, whereas a weak acid ionises only partly. Concentration is different: it describes how much acid is present per unit volume of solution. Thus a dilute strong acid and a concentrated weak acid are both possible. Option A correctly separates these ideas; the other statements wrongly treat them as identical or absolute properties.
Frequently asked questions
What is the correct answer to this question?
Strength concerns ionisation, while concentration concerns amount of acid
Why is this the correct answer?
Acid strength describes the extent to which an acid ionises in water. A strong acid ionises almost completely, whereas a weak acid ionises only partly. Concentration is different: it describes how much acid is present per unit volume of solution. Thus a dilute strong acid and a concentrated weak acid are both possible. Option A correctly separates these ideas; the other statements wrongly treat them as identical or absolute properties.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
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