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Which Chemical Equation Describes a Hydrogen Displacement Reaction

Question 140

Multiple Choice

Which chemical equation describes a hydrogen displacement reaction?


A) 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l)
B) 2KBr(aq) + Cl2(g) → 2KCl(aq) + Br2(l)
C) N2(g) + 3H2(g) → 2NH3(g)
D) CaBr2(aq) + H2SO4(aq) → CaSO4(s) + 2HBr(g)
E) 2Al(s) + 3H2SO4(aq) → Al2(SO4) 3(aq) + 3H2(g)

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