Identifying substances · Grade 9
Testing for chloride ions
ChemAI · Worksheet
NameClassDate
Aim
Silver nitrate gives a white precipitate only where chloride ions are present.
Before you start: what do you predict will happen? Why?
What you do
| Step | What I observed | |
|---|---|---|
| 1 | Select tube 1 (NaCl) and add silver nitrate. | |
| 2 | Add silver nitrate to tube 2 (distilled water) as a control. |
Questions
- Write a word or symbol equation for one reaction you observed.
- Explain your most important observation using particles, ions or energy.
- Was your prediction right? What would you change to get a more reliable result?