Zusammenfassung der Ressource
Chemical Analysis
- Hydrogen gas
- magnesium + hydrochloric acid
- magnesium chloride + hydrogen
- Lit splint into test tube
- Squeaky pop
- Mg + HCl
- MgCl2 + H2
- Carbon dioxide gas
- calcium carbonate + hydrochloric acid
- carbon dioxide + water + calcium chloride
- CaCO3 + HCl
- CO2 + H2O + CaCl2
- Bubble through lime water
- Lime water goes cloudy
- Oxygen gas
- hydrogen peroxide
- water + oxygen
- H2O2
- H2O + O2
- Glowing splint into test tube
- Splint re-lights
- Chlorine gas
- chorine + heat
- chlorine gas
- Cl2(s)
- Cl2(g)
- Blue litmus paper in the gas
- Blue to red to (bleached) white
- Flame Tests
- Used to test for different metal ions
- Clean loop with metal is passed over flame
- Flame changes colour depending on ion
- Examples
- Lithium
- Sodium
- Potassium
- Calcium
- Copper