The Mixing of Which Pair of Reactants Will Result in a Precipitation

question 120

Multiple Choice

The mixing of which pair of reactants will result in a precipitation reaction?

• A) Mg(NO₃)₂(aq) + Na₂CO₃(aq)
• B) K₂SO₄(aq) + Cu(NO₃)₂(aq)
• C) NaClO₄(aq) + (NH₄)₂S(aq)
• D) NH₄Br(aq) + NH₄I(aq)

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