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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 Yr7 slide share stuff Presentation Transcript

    • MaterialsFlashcards
    • air
    • A mixture consisting of 78%nitrogen, 21% oxygen and 1%other gases & water vapour.
    • alloy
    • A mixture of metals, e.g. brass.
    • boiling pointWater boils at 100ºC
    • The temperature at which a liquid changes to a gas.
    • chromatography
    • 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.
    • condenser
    • A piece of apparatus which cools a gas to change it to a liquid.
    • crude oil
    • A valuable mixture of many differenthydrocarbons. Many useful chemicals can be extracted from it.
    • dissolve
    • The process that occurs when asolute is added to a suitablesolvent, e.g. salt will dissolve inwater.