P2.Chemical Analysis
Cards (46)
- What is a pure substance in chemistry?
- How do pure substances behave at melting and boiling points?
- How can melting point and boiling point data be used?
- What is a formulation?
- Why are formulations mixed in measured quantities?
- Name two examples of formulations.
- What does chromatography separate?
- What are the two phases involved in chromatography?
- What does the Rf value represent in chromatography?
- How can Rf values help in chromatography?
- What happens to a pure compound in chromatography?
- How is hydrogen gas tested?
- What indicates the presence of hydrogen gas?
- How is oxygen gas tested?
- What happens to a glowing splint in oxygen?
- What is the test for carbon dioxide?
- What occurs when carbon dioxide is bubbled through limewater?
- How is chlorine gas tested?
- What happens to damp litmus paper in chlorine?
- What can flame tests identify?
- What color flame does lithium produce?
- What color flame does sodium produce?
- What color flame does potassium produce?
- What color flame does calcium produce?
- What color flame does copper produce?
- What happens to flame colors in a mixture of ions?
- What can sodium hydroxide solution identify?
- What precipitate forms with aluminium ions in sodium hydroxide?
- What happens to aluminium hydroxide precipitate in excess sodium hydroxide?
- What color precipitate does copper(II) ions form with sodium hydroxide?
- What color precipitate does iron(II) ions form with sodium hydroxide?
- What color precipitate does iron(III) ions form with sodium hydroxide?
- What do carbonates produce when reacting with dilute acids?
- How can carbon dioxide be identified?
- What do halide ions produce with silver nitrate?
- What color precipitate does silver chloride produce?
- What color precipitate does silver bromide produce?
- What color precipitate does silver iodide produce?
- What do sulfate ions produce with barium chloride?
- What is the advantage of instrumental methods over chemical tests?