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			18

Across 1. This is always made when an acid is neutralised (4) 4. This fizzes when mixed with an acid (9) 6. Warning label with a black cross (8) 8. Chemicals that combine to make a product (9) 9. Strong acids and alkalis will have this warning label (9) 10. This is present in all acids (8) 12. A cure for too much acid in your stomach (7) 14. Paper for testing pH (6) 16. Acids and alkalis will only react when they are dissolved in this (5) 17. Sugar solutions, fizzy drinks, and bee stings are this (6) 18. An acid tastes like this (4)

Down 1. ............ Chloride - the chemical name for table salt (6) 2. A mixture of dyes that change colour in acids and alkalis (9) 3. Cancelling out an acid (14) 5. Turns cloudy when mixed with carbon dioxide (9) 7. Saliva, wasp stings, and most cleaners are this (8) 10. A safer gas for airships (6) 11. Anything that will neutralise an acid (5) 13. pH7 (7) 15. Hydrogen gas is given off when these mix with acids (6)