Thursday, 16 May 2013

2.39 describe tests for the gases

i hydrogen
  • burns with a 'squeaky pop' sound

ii oxygen
  • will relight a glowing splint

iii carbon dioxide
  • Turns lime water cloudy

iv ammonia
  • Damp red litmus paper blue
  • Damp universal indicator purple

v chlorine
  • bleaches damp litmus paper white

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