gas-evolution reaction flashcards

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Which of the following is a gas-evolution reaction?
A) 2C2H6(l) + 7O2(g) => 4CO2(g) + 6H2O(g)
B) 2H2(g) + O2(g) => 2H2O(g)
C) LiCl(aq) + NaNO3(aq) => LiNO3(aq) + NaCl(g)
D) NH4Cl(aq) + KOH(aq) => KCl(aq) + NH3(g) + H2O(l)
D) NH4Cl(aq) + KOH(aq) => KCl(aq) + NH3(g) + H2O(l)

Which of the following is a gas-evolution reaction?
A) 2C2H6(l) + 7O2(g) => 4CO2(g) + 6H2O(g)
B) 2H2(g) + O2(g) => 2H2O(g)
C) LiCl(aq) + NaNO3(aq) => LiNO3(aq) + NaCl(g)
D) NH4Cl(aq) + KOH(aq) => KCl(aq) + NH3(g) + H2O(l)

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