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5 Written questions

5 Matching questions

  1. decomposition reactions:
  2. two soluble reactions:
  3. single replacement:
  4. Diatomic elements:
  5. solubility rule 5:
  1. a 1) some metallic hydroxides when heated decompose to form a metal oxide + h20
    2) some oxy-acids when heated decompose to form a metal oxide + h20
    3) some metallic carbonates when heated decompose to form a metal oxide + carbon dioxide
    4) some metallic chlorates when heated decompose to form a metal chloride + oxygen gas
    5) most metallic osides are stable but few decompose when heated to form a metal + o gas
    6) some compounds can be decomposed by electricity into their elements.
  2. b have no reaction
  3. c they form a 7 on the periodic table: H, N, F,Cl,O,Br,I. all have a 2 at the end
  4. d except for those in rule 1, carbonates, hydroxides, oxides, sulfides, and phosphates are insoluble.
  5. e a+bc= b+ac

5 Multiple choice questions

  1. will occur only if: both products are soluble, and it is a reaction between a acid and a base! memorize solubility rules!
  2. 1)metal oxides + h2o form metal oh.
    2) nonmetal oxides + h2o form oxy-acids.
    3) alkali metals react readily with halogens to form salts.
    4) many metals react readily with oxyen to form metal oxides.
  3. products
  4. will react with acids to produce a salt + h2
  5. yields

5 True/False questions

  1. single replacement rules:they have to do with the electromotive series. it arranges most reacted to least reacted.


  2. Combustion reactions:hydrocarbon + o2= co2 + h2o


  3. Synthesis:are at the right of the equation, they always stay there never change!


  4. if it has H2SO4:this means a catalyst is present!


  5. solubility rule 1:binary compounds of group 17 other than F with metals are soluble except those of silver, mercury I, and lead


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