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5 Written questions

5 Matching questions

  1. A chemical reaction occurs when:
  2. Double replacement reactions:
  3. solubility rule 3:
  4. on the right is the:
  5. k-cd:
  1. a chemical bonds are broken, atoms are rearranged and new chemical bonds are formed.
  2. b will occur only if: both products are soluble, and it is a reaction between a acid and a base! memorize solubility rules!
  3. c binary compounds of group 17 other than F with metals are soluble except those of silver, mercury I, and lead
  4. d react with steam to produce a metaloxide + h2 (h2o and h2)
  5. e products

5 Multiple choice questions

  1. they have to do with the electromotive series. it arranges most reacted to least reacted.
  2. have a reaction
  3. 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.
  4. will react with acids to produce a salt + h2
  5. matter is neither created nor destroyed!

5 True/False questions

  1. Diatomic elements:a+bc= b+ac

          

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

          

  3. single replacement rules:metals replace metals visversa! metals can replace hydrogen.

          

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

          

  5. Synthesis:a+b=ab

          

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