A student adds dilute hydrochloric acid to one test tube containing aqueous sodium carbonate, and to a second test tube containing aqueous silver nitrate.
Which row shows the correct observations?
| Aqueous sodium carbonate | Aqueous silver nitrate | |
|---|---|---|
| A | no change | precipitate |
| B | effervescence | no change |
| C | effervescence | precipitate |
| D | no change | no change |
Row A
Row B
Row C
Row D
3 exam-style questions on OCR A A Level Chemistry Qualitative analysis. Each one has a worked solution and a mark scheme showing where the marks go.