Which of the following represents a precipitation reaction A) 2H₂(g) + O₂(g) $\rarr$ 2H₂O(l) B)CaBr₂(aq) + H₂SO₄(aq) $\rarr$ CaSO₄(s) + 2HBr(g) C)2KNO₃(s) $\rarr$ 2KNO₂(s) + O₂(g) D)2KBr(aq) + Cl₂(g) $\rarr$ 2KCl(aq) + Br₂(l) E) 2Al(s) + 3H₂SO₄(aq) $\rarr$Al₂(SO₄)₃(aq) + 3H₂(g)

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In a precipitation reaction, two aqueous solutions react to form an insoluble solid (precipitate). Option B shows the formation of a precipitate (CaSO4) when CaBr2 and H2SO4 solutions are mixed. The other options do not show the formation of a precipitate.

Which of the Following Represents a Precipitation Reaction A) 2H2(g) →\rarr→

Which of the Following Represents a Precipitation Reaction
A) 2H₂(g) $\rarr$