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Saloni took a piece of burning …

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Saloni took a piece of burning characoal and collected the gas envolved in a test tube (a) how will she find the nature of the gas?

    • Posted by Bhumika Choudhary 4 years, 11 months ago

    CBSE > Class 08 > Science
    • 2 answers

    Bhumika Choudhary 4 years, 11 months ago

    Tnx

    1Thank You

    Gaurav Seth 4 years, 11 months ago

    (a) Saloni should add some water in the test tube in which gas was collected. Shake the test tube and then bring a litmus paper near the test tube.The solution will turn litmus paper red. This shows that the gas is acidic.

    (b)Charcoal contains carbon which on burning forms carbon dioxide gas.

    C+O_2→CO_2C+O2​→CO2​

    The gas evolved is collected in a test tube and water is added to it.

    CO_2+H_2O→H_2CO_3CO2​+H2​O→H2​CO3​

    1Thank You

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