10th Class Science Chemical Reactions and Equations Question Bank Chemical Reactions and Acids, Bases and Salts

  • question_answer
    Which one of the following is Hydracid?

    A) \[{{H}_{3}}P{{O}_{4}}\]                    

    B) \[{{H}_{2}}S{{O}_{4}}\]

    C) \[HCN\]

    D)        \[HN{{O}_{3}}\]

    E) None of these

    Correct Answer: C


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