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2. Oxygen is a colourful gas True or false

  • False. It is colourless
  • True. it is indeed
  • False. It isn't a gas

3. Chlorine is poisonous and bleaches dyes True/False

  • False: It is a harmful blue gas
  • True: It does indeed.
  • False: It is a harmless yellow gas

4. The test for amonia is:

  • Holding Damp Litmus paper in it
  • Bubbling through oxygen
  • blowing it up

5. Hydrogen is a ________ which __________ with oxygen when _

  • Flammable gas; displaces; neutralised
  • colourless gas; combines; lit
  • noble gas; melts; burnt
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