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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

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Correct answer is A

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