Across
- 2. It is the pH of a neutral solution
- 4. It is a form of calcium carbonate
- 6. It is used in the manufacture of sodium compounds such as borax
- 11. It is an acid found in our stomach
- 14. It is used in soda-acid fire extinguishers
- 15. It is the fixed number of water molecules present in one formula unit of a salt
- 17. These are dyes or mixtures of dyes which are used to indicate the presence of acids and bases
- 19. It is a base that dissolves in water
- 20. It is present in the tooth enamel
Down
- 1. It is a reaction between an acid and a base to give salt and water
- 3. It is present in the stinging hair of nettle leaves
- 5. It is found in the thick white and yellowish clouds which make up the atmosphere of Venus
- 7. It is process used for the production of sodium hydroxide from sodium chloride
- 8. It is an acid which is present in tomato
- 9. It is a scale used for measuring hydrogen ion concentration in a solution
- 10. It is an acid which is present in tamarind
- 12. It is produced by the action of chlorine on dry slaked lime
- 13. It is an aqueous solution of sodium chloride
- 16. It is a herbaceous plant which grows in the wild
- 18. The bases which completely ionize in aqueous solution to give hydroxide ions