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Which of the following pairs of solutions will produce a precipitate when mixed?

Chemistry
WAEC 2005

Which of the following pairs of solutions will produce a precipitate when mixed?

  • A. Pb(NO3)2(aq) and NaCI(aq)
  • B. MgSO4(aq) and HCI(aq)
  • C. ZnCI2(aq) and NaSO4(aq)
  • D. NaOH(aq) and HNO3(aq)
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Correct Answer: Option A
Explanation

\(Pb(NO_3)_{2(aq)} + 2NaCl → PbCl_2 + 2NaNO_3\) Option A will produce insoluble lead(II) chloride.( precipitate)

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