DifferenceModerate1 mark
6(i)
Distinguish between the following as directed:
Sodium sulphite solution and sodium sulphate solution. [using dilute H₂SO₄]
Topic: Sulphuric acid: preparation and properties
Previous-year question practice database
Answer
Exam answer
Sodium sulphite liberates SO₂ with dilute H₂SO₄; sodium sulphate does not.
Comparison
| Sodium sulphite | Sodium sulphate |
|---|---|
| With dilute H₂SO₄ gives SO₂ gas. | No gas is evolved. |
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