Making copper sulphate recap

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Across
  1. 2. Liquid obtained after filtering (8)
  2. 6. Process of forming solid product (15)
  3. 7. Result of poor practical skills or football GOAT (5)
  4. 9. The acid reacted with copper oxide to make CuS04 (9)
  5. 11. Base used to make CuS04 is COPPER —-- (5)
  6. 12. Container for chemical reaction (6)
Down
  1. 1. Reduces the volume of a liquid by heating (9)
  2. 3. Solid added in greater amount than is needed (6)
  3. 4. Equipment used in filtration (6)
  4. 5. Colour of copper sulphate crystals (4)
  5. 8. The form of the final product (8)
  6. 10. Red brown metal (6)