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NTSE Sample Paper NTSE SAT Practice Test-20

  • question_answer
    When sodium is put into a test tube containing dilute sulphuric acid and burning splinter is placed over its mouth, the pop sound is produced to

    A) The evolution of Carbon dioxide gas

    B) The evolution of hydrogen gas

    C) The evolution of sulphur dioxide gas

    D) All above are correct

    Correct Answer: B

    Solution :

    [b] Burning of \[{{H}_{2}}\] gas produces pop sound


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