Which row shows the right tests for identifying both ammonia and sulfur dioxide?
- Aammonia: damp blue litmus paper; sulfur dioxide: acidified potassium manganate(VII)
- Bammonia: damp blue litmus paper; sulfur dioxide: damp red litmus paper
- Cammonia: damp red litmus paper; sulfur dioxide: acidified potassium manganate(VII)
- Dammonia: damp red litmus paper; sulfur dioxide: damp blue litmus paper