How do you test the gas collected in the test tube
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In an air tight test tube put a substance inside it and heat with a flame put a pipe into first test tube and connect it to another test tube. In this way gas can be collected in a test tube.
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Answer:In an air tight test tube put a substance inside it and heat with a flame put a pipe into first test tube and connect it to another test tube. In this way gas can be collected in a test tube.
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