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10th Class Science Sample Paper Science Olympiad Model Test Paper-12

  • question_answer
    One mole of \[Pb{{(OH)}_{2}}\]requires 2 mole of HCI for complete neutralization. But when one mole of \[Pb{{(OH)}_{2}}\]is made to react with one mole of HCI, some of them left unreacted. Which salt is produced during this process?

    A) \[PbC{{l}_{2}}\]

    B) \[Pb(OH)Cl\]

    C) \[PbOCl\]

    D) \[Pb{{(OH)}_{2}}\]

    E) None of these

    Correct Answer: B

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