GCSE C2 CHEMISTRY ADDITIONAL EDEXCEL QUIZ

This resource doesn't cover one specific topic or the whole of C2. I have made flash cards (not electronically) and when filtering through them I have made this quiz to help me remember all the flash cards I didn't know. Please don't take this as a staple revision source - this only has a few random pieces from different topic areas.

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1. What is the equation for chromatography?

  • 3.14 x r^2
  • distance traveled by component x distance traveled by solvent
  • distance traveled by component / distance traveled by solvent
  • e = mc^2
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Other questions in this quiz

2. How do scientists use chromatography to identify colourless substances like amino acids and sugars>

  • Spraying the paper with universal indicator so the colourless substances change colour
  • Spraying the paper with a locating reagent which reacts with the invisible spots to produce a colour
  • Filtering it and seeing which colours are left
  • Setting it on fire with a bunsen burner

3. What do dot and cross diagrams show?

  • Covalent bonds
  • Ionic bonds
  • Metallic bonds
  • Flame tests

4. Why are metal ions malleable?

  • The layers of positive electrons can slide over eachother in a sea of protons
  • The layers of positive ions can slide over eachother in the sea of electrons
  • The layers of negative ions can slide over eachother in a sea of electrons
  • The layers of negative protons can slide over eachother in a sea of neutrons

5. Define 'simple molecular covalent compounds'

  • Small molecules consisting of only metallic atoms
  • Large molecules consisting of only metallic atoms
  • Small molecules consisting of only non-metallic atoms
  • Large molecules consisting of only non-metallic atoms

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