A)ca-cao-ca(oh)2-cacl2-agcl B)c2h2-ch3cho-ch3cooh-ch2clcooh-ch2nh2cooh
2Ca + O2 = 2CaO CaO + H2O = Ca(OH)2 Ca(OH)2 + 2HCl = CaCl2 + 2H2O CaCl2 + 2AgNO3 = Ca(NO3)2 + 2AgCl C2H2 + H2O (HgSO4)= CH3COH CH3COH + Ag2O = CH3COOH + 2Ag CH3COOH + Cl2 = CH2ClCOOH + HCl CH2ClCOOH + NH3 = CH2NH2COOH + HCl