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5 Written questions

5 Matching questions

  1. both insoluble:
  2. Decomposition:
  3. on the right is the:
  4. Double replacement:
  5. if a yield sign has a triangle on top:
  1. a products
  2. b the reactions does occur
  3. c ab+cd=cb+ad
  4. d ab=a+b
  5. e this means the reaction is heated!

5 Multiple choice questions

  1. hydrocarbon + o2= co2 + h2o
  2. reactants
  3. will react with acids to produce a salt + h2
  4. matter is neither created nor destroyed!
  5. are at the right of the equation, they always stay there never change!

5 True/False questions

  1. A chemical reaction occurs when: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. if the yield sign has elec:this means electricity is used!


  3. solubility rule 3:group 1A and ammonium is soluble!


  4. Synthesis:a+b=ab


  5. k-nareact with liquid water to produce a base + h2 (oh and h2)


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