Question

There are two colourless and odourless gases in a jar A and B one is and other is carbon dioxide How will you detect which jar contains oxygen and which jar contains contains carbon dioxide gas ​

Answer 1

Explanation:

Carbon dioxide reacts with calcium hydroxide solution to produce a white precipitate of calcium carbonate. Limewater is a solution of calcium hydroxide. If carbon dioxide is bubbled through limewater, the limewater turns milky or cloudy white.

In this way you can detect that which jar contains carbon dioxide.

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Answer 2

Answer:

We can detect the gas as oxygen or carbon dioxide by bringing a burning splinter near the mouth of the jars. The gas which will support burning is oxygen gas and which will not support burning, i.e., extinguishes a burning splinter, is carbon dioxide gas