CrossWord - Chemistry

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Across
  1. 1. law of __ mass.
  2. 4. In a chemical reaction ___ are shown to the right of the arrow.
  3. 6. all mineral acids except __ acid are strong acids.
  4. 10. What does the symbol (aq) represent in a chemical equation
  5. 13. We can balance an equation by adding a __ in front of symbols.
  6. 16. rusting of iron is __ reaction.
  7. 17. the reaction between an acid and a base is called ___ reaction.
  8. 19. plaster of paris changes to _ on mixing with water
Down
  1. 2. acids have __ taste?
  2. 3. Chemical name of sugarcane?
  3. 5. white silver chloride changes into ___ colour when exposed to sunlight
  4. 7. ___ reaction in which two or more substance combine to form a new single substance.
  5. 8. The phenomenon due to which metal are slowly eaten away by the reaction of air , water and chemical presence in the atmosphere .
  6. 9. Oxide of which element is used as major ingredient in cement
  7. 11. The reactions which involve the use of electrical energy for the decomposition of the reactant molecules is called ?
  8. 12. Respiration is example of _ reaction?
  9. 14. To protect tooth decay we are advised to brush our teeth regularly . The nature of the toothpaste is ___.
  10. 15. Dilute acid does not produce carbon dioxide on being treated with
  11. 18. inventory A tool is used to determine if a chemical reaction is balanced or unbalanced.
  12. 20. sodium hydroxide turns phenolphthalein solution into __ colour.