7E - Acids and alkalis

Created by Dr J E F Frost with EclipseCrossword by Green Eclipse Software — www.eclipsecrossword.com

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Across

2. A corrosive alkali is called ... (7)

4. Removes colour or stains from cloth. (6)

6. A liquid with a solid dissolved in it. (8)

7. Acid from grapefruits and oranges. (6)

9. Acidic food taste. (4)

12. Something with a pH less than 7. (4)

13. Red and blue indicator. (6)

15. Indicator that spans the range 0 to 14. (9)

17. The most common solvent. (5)

18. Shows whether something is alkali or acid. (9)

19. When substances chemically combine they ...... (5)

20. Few molecules per litre of solvent. (6)

Down

1. Something with a pH more than 7. (6)

2. How an acid-alkali indicator indicates. (6)

3. A yellow citrus fruit. (5)

5. A dangerous substance that dissolves other materials. (9)

8. Many molecules per litre of solvent. (12)

10. Battery acid. (9)

11. Put this acid on your chips together with salt. (7)

14. Something with a pH of 7. (7)

16. This is from 0 to 14 for the pH scale of acids and alkalis. (5)


 

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