7th Class Science Sample Paper Science Olympiad Model Test Paper-11

  • question_answer
    Which one of the followings is a mineral acids?

    A) \[HCl\]

    B) \[HN{{O}_{3}}\]

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

    D) All of these

    E) None of these

    Correct Answer: D


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