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Test for Gases (QA)


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Test for Gases (QA)

  1. 1. Test for Gases by 4e3 (Class of 2014)
  2. 2. Test for gas – H2 gas lighted splint POP! extinguishes with a ‘pop’ sound Thanks Bryant! 4e3 (Class of 2014)
  3. 3. Test for gas – O2 gas Thanks Zhao Rong! 4e3 (Class of 2014) glowing splint rekindles
  4. 4. bubble gas through limewater Test for gas – CO2 gas white ppt Thanks Sharun! 4e3 (Class of 2014)
  5. 5. Test for gas – NH3 gas Thanks Jun Hong! 4e3 (Class of 2014) damp red litmus turn blue
  6. 6. damp blue litmus  red  bleached Test for gas – Cl2 gas Thanks John! 4e3 (Class of 2014)
  7. 7. filter paper soaked with acidified potassium manganate (VII) Test for gas – SO2 gas Thanks Zhao En! 4e3 (Class of 2014) purple to colourless