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SAS chemistry general

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  • Who created the periodic table
    Mendeleev
  • Sodium + water =
    hydroxide sodium + hydrogen
  • What is used to separate dyes?
    Chromatography
  • What ion shows a lilac flame?
    Potassium
  • List the reactivity series
    P S C M A Z I C
  • As you go down group 1 metals they become…
    More reactive
  • What number on the pH scale is water?
    7
  • How many elements are in HCl?
    2
  • What is a compound
    Two or more elements bonded chemically
  • What ion shows a blue green flame?
    Copper
  • How many numbers are on the periodic table
    14
  • What is the process of liquid changing to solid called
    Freezing
  • What is the process of gas changing to solid called
    Sublimation
  • What is an element
    A substance containing one type of atom
  • How is crude oil formed?
    Dead animals and plants under pressure for millions of years
  • Acid + base =
    Salt + water
  • Why is a pH meter better than universal indicator
    More accurate
  • What is the process of gas changing liquid called
    Condensation
  • What properties does glass have that make it a suitable material for a window?
    See through, sturdy, doesn’t react with water
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