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You are provided with five gas jars containing SO2

You are provided with five gas jars containing SO2, CO2, H2, CO and NO respectively. Select a test from A to E which will identify ANY ONE of the gases completely
  • A. pass each gas into lime water
  • B. pass each gas into water and test with litmus paper
  • C. pass each gas into concentrated sulphuric acid
  • D. expose each gas to atmospheric air
  • E. expose each gas to fumes of hydrogen chloride
Correct Answer: Option A

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