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5 Written Questions

5 Matching Questions

  1. Double replacement:
  2. single replacement:
  3. single replacement rules:
  4. one soluble and one insoluble:
  5. Synthesis:
  1. a a+bc= b+ac
  2. b a+b=ab
  3. c have a reaction
  4. d ab+cd=cb+ad
  5. e metals replace metals visversa! metals can replace hydrogen.

5 Multiple Choice Questions

  1. this means the reaction is heated!
  2. react with steam to produce a metaloxide + h2 (h2o and h2)
  3. a element can replace any element in a compound if the element in the compound is below it on the electromotive series.
  4. 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.
  5. they have to do with the electromotive series. it arranges most reacted to least reacted.

5 True/False Questions

  1. Synthesis reactions: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.

          

  2. solubility rule 5:group 1A and ammonium is soluble!

          

  3. the middle arrow:this means a catalyst is present!

          

  4. single replacement rxns with nonmetals:they have to do with the electromotive series. it arranges most reacted to least reacted.

          

  5. if it has H2SO4:a+b=ab

          

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