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NH4HSO4+NH4HSO3=(NH4)2SO4+H2O+SO2↑
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SO2+2HgCl2+2H2O=Hg2Cl2↓+H2SO4+2HCl
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Hg2Cl2+SnCl2+2 HCl=2Hg↓+H2SnCl6
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H2SnCl6+6NaOH=6NaCl+Sn(OH)4↓+2H2O
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HC♡CH+H2O=催化劑=CH2=CHOH
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CH2=CHOH+H2O=催化劑=HOCH2CH2OH
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HOCH2CH2OH+2O2=銅、加熱=HOOCCOOH+2H2O
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HOOCCOOH+2KOH=KOOCCOOK+2H2O
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KOOCCOOK+FeCl2=2KCl+FeC2O4↓
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FeC2O4=160℃=FeO+CO↑+CO2↑
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