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6. All alkalis are bases but not all bases are alkalis.

  • True
  • False

7. Acid + metal > salt + what?

  • Oxygen
  • Hydrogen
  • Water

8. What parts of the solutions swap their partners in precipitation?

  • Metals
  • Non metals

9. Exothermic reactions...

  • Transfer energy to surroundings, heating them
  • Absorb energy from surroundings, cooling them

10. Nitric acid gives...

  • Nitrate salts
  • Nitrogen salts

11. Alkalis...

  • Contain hydroxide ions OH-
  • Contain hydrogen ions H+

12. Endothermic reactions...

  • Absorb energy from surroundings, cooling them
  • Transfer energy to surroundings, heating them

13. On the pH scale...

  • Below 7 is acidic, above 7 is alkaline
  • Below 7 is alkaline, above 7 is acidic

14. A burette should be used in what method?

  • Titration
  • Precipitation
  • Neutralisation

15. Alkalis are...

  • Soluble
  • Insoluble

16. Hydrochloric acid gives...

  • Chloride salts
  • Chlorine salts