C15 Analysis

?
  • Created by: Lotto65
  • Created on: 10-05-16 13:08

1. What is filtration used for?

  • Separate a dissolved substance from the solvent
  • Chemically combine two compounds
  • Separate an insoluble substance from a solvent with soluble substances in
  • Separate miscible substances
1 of 20

Other questions in this quiz

2. How is a mixture carried through a column in gas chromatography?

  • Liquid with a similar boiling point
  • By a carrier gas that helps it through a colum packed with solid particles
  • Carrier gas
  • Electric currents

3. Why do colours move different distances in chromatography?

  • Depending on their viscosity
  • Depending on their colour
  • Depending on their solubility
  • Depending on their flammability

4. How do you test for sulfate ions?

  • Add dilute hydrochloric acid and barium chloride solution to see if white precipitate is formed
  • Add bromine water and if it does not change colour
  • If it fizzes in the hydrochloric acid
  • Goes black under a bunsen flame

5. How can you then identify compounds?

  • Heat it to see its boiling point
  • Compare to results for known compounds
  • Put it through an electric current to see its electrical conductivity
  • A bromine water and see what colour it turns

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Testing and analysing substances resources »