Last Day

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Across
  1. 2. group 7 gas produced in electrolysis of sodium chloride solution (8)
  2. 5. Ability to be shaped and moulded (9)
  3. 7. Ability to be stretched into a wire (7)
  4. 8. metal used in hip replacements (9)
  5. 9. The amount of product formed in a reaction (5)
  6. 11. Quantity measured in moldm-3 (13)
  7. 13. alkane with 5 carbons (7)
  8. 14. ore containing aluminium oxide (7)
  9. 15. contains only single bonds (9)
Down
  1. 1. method to separate a solid from a liquid (10)
  2. 3. contains carbon and hydrogen only (11)
  3. 4. method to extract aluminium from its ore (12)
  4. 5. cryolite lowers this in extraction of aluminium (7,5)
  5. 6. aqueous solution of sodium chloride (5)
  6. 10. type of scientist that examines evidence submitted by the police (8)
  7. 12. Quantity measured in cm3 (6)