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5 Written questions

5 Matching questions

  1. In single replacement rxns:
  2. the middle arrow:
  3. k-pb:
  4. on the right is the:
  5. Single replacement rxns:
  1. a they have to do with the electromotive series. it arranges most reacted to least reacted.
  2. b yields
  3. c will react with acids to produce a salt + h2
  4. d a element can replace any element in a compound if the element in the compound is below it on the electromotive series.
  5. e products

5 Multiple choice questions

  1. this means a catalyst is present!
  2. chemical bonds are broken, atoms are rearranged and new chemical bonds are formed.
  3. have a reaction
  4. react with liquid water to produce a base + h2 (oh and h2)
  5. 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 True/False questions

  1. both insoluble:a+b=ab

          

  2. single replacement:a+bc= b+ac

          

  3. solubility rule 3:nitrates and acetates are soluble.

          

  4. solubility rule 4:all sulfates are soluble except those of barium, strontium, lead, calcium, silver, and mercury I.

          

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