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yry Materials Flashcards. Learn all the key words

yry Materials Flashcards. Learn all the key words

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Yr7 slide share stuff Presentation Transcript

  • 1. MaterialsFlashcards
  • 2. air
  • 3. A mixture consisting of 78%nitrogen, 21% oxygen and 1%other gases & water vapour.
  • 4. alloy
  • 5. A mixture of metals, e.g. brass.
  • 6. boiling pointWater boils at 100ºC
  • 7. The temperature at which a liquid changes to a gas.
  • 8. chromatography
  • 9. A method of separating substances.The substances are separated as theymove, in a solvent, through a material,e.g. paper.The substances often move atdifferent speeds.
  • 10. condenser
  • 11. A piece of apparatus which cools a gas to change it to a liquid.
  • 12. crude oil
  • 13. A valuable mixture of many differenthydrocarbons. Many useful chemicals can be extracted from it.
  • 14. dissolve
  • 15. The process that occurs when asolute is added to a suitablesolvent, e.g. salt will dissolve inwater.