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NTSE Sample Paper NTSE SAT Practice Test-5

  • question_answer
    When dil. \[{{H}_{2}}S{{O}_{4}}\] is added to Zn meal , the  changes taking place are               

    A)  Gas evolved and black coating on \[Zn\]

    B)  Gas evolved and container become hot

    C)  Black coating on Zn and container become hot                      

    D)  Gas evolved, black coating on Zn container become hot              

    Correct Answer: D

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