DifferenceModerate1 mark
8(ii)
Differentiate between the following pairs based on the criteria given in the brackets:
Cane sugar and hydrated copper sulphate [using concentrated H₂SO₄]
Topic: Sulphuric acid: preparation and properties
Previous-year question practice database
Answer
Exam answer
Cane sugar is charred by conc. H₂SO₄; hydrated CuSO₄ loses water and changes from blue to white.
Comparison
| Cane sugar | Hydrated CuSO₄ |
|---|---|
| Chars to black carbon. | Blue crystals become white anhydrous CuSO₄. |
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