Chemistry · Non-metals and their Oxides
When sulphur reacts with oxygen, gas (A) is formed. On dissolving 'A' in water, compound 'B' is formed. 'B' turns (C) litmus paper to (D). Identify A, B, C, and D respectively:
- 1Sulphur trioxide, Sulphuric acid, blue, red
- 2Sulphur dioxide, Sulphurous acid, blue, red✓
- 3Sulphur dioxide, Sulphurous acid, red, blue
- 4Sulphur dioxide, Sulphuric acid, red, blue
Correct answer
Sulphur dioxide, Sulphurous acid, blue, red
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