Complete
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1 8 10 12 19 21 2 18 3 13 15 4 9 16 5 14 6 17 20 7 11
  1. 1 a Home of the Rosetta Stone since 1802 (7,6)
  2. 8 a Stimulate (4)
  3. 9 a Hoofed mammal — glue a nut (anag) (8)
  4. 10 a Liquid added to hot water to make it foam (6,4)
  5. 12 a Loner (6)
  6. 14 a Overwhelming panic (6)
  7. 15 a Mouth-plugging sweet? (10)
  8. 19 a Large bottle enclosed in wickerwork (8)
  9. 20 a Slightly open (4)
  10. 21 a President of the African National Congress, 1991-97 (6,7)
  11. 2 d Burst suddenly (8)
  12. 3 d Palpitation (5)
  13. 4 d Learner (7)
  14. 5 d Molten rock (5)
  15. 6 d Non-metallic element found in yellow crystals, S (7)
  16. 7 d As many as (2,2)
  17. 11 d Violated (anag) (8)
  18. 13 d Gullible idiot (7)
  19. 14 d Oberon's queen in A Midsummer Night's Dream (7)
  20. 16 d Chocolate coloured (5)
  21. 17 d Chequered woollen cloth (5)
  22. 18 d Relinquish (4)

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