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Which of the following equations represents a double-displacement reaction? A. FeS(s) + 2HCl(aq) ® H2S(g) + FeCl2(aq) B. 2Sb(s) + 3I2(g) ® 2SbI3(s) C. Zn(s) + H2SO4(aq) ® ZnSO4(aq) + H2(g) D. 2HgO(s) ®
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Which of the following equations represents a double-displacement reaction?

A. FeS(s) + 2HCl(aq) ® H2S(g) + FeCl2(aq)
B. 2Sb(s) + 3I2(g) ® 2SbI3(s)
C. Zn(s) + H2SO4(aq) ® ZnSO4(aq) + H2(g)
D. 2HgO(s) ® 2Hg(l) + O2(g)

User Eric Brockman
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The answer is C. Zn(s) + H2SO4(aq) ZnSO4(aq) + H2(g)
User Maryrose
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