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  5. Chemical Reactions and Equations

10th Class Science Chemical Reactions and Equations

  • question_answer 5)
    Why is the amount of gas collected in one of the test tubes in electrolysis of water than the amount collected in the other? Name the gas. 

    Answer:

    On electrolysis, water decomposes according to the reaction, Thus, water decomposes to give hydrogen and oxygen in the ratio 2:1 by volume. The double volume of the gas collected is hydrogen.  


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