Chemistry

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Across
  1. 2. Hydrocarbons having a straight chain structures with no ring in them
  2. 3. Disinfectant in household cleaners and in moutwash
  3. 4. For welding and cutting
  4. 6. A rocket fuel for space craft intended for low Earth orbit
  5. 7. Preservation of biological specimens
  6. 8. Used as a softener for paper and fiber
Down
  1. 1. Used as precusor to polypropylene resins, butylene oxide and butanone
  2. 2. Contains a carbon-carbon triple bond (C=C)
  3. 5. Hydrocarbons having a ring structure in them
  4. 9. A natural gas use as fuel