Объяснение:
CaC2 + 2H2O ---> Ca(OH)2 + C2H2
C2H2 + H2O ---> (Hg2+, H2SO4) CH3COH
CH3COH + Ag2O ---> CH3COOH + 2Ag
2CH3COOH + Na2CO3 ---> CH3COONa + H2O + CO2
CH3COONa + NaOH ---> CH4 + Na2CO3
CaC2 + H2O= Ca(OH)2+C2H2
C2H2+ H2O=CH3CHO
CH3CHO+O2=2CH3COOH
CH3COOH+ NaOH=CH3COONa+H2O
