Muối:

$KCl,\ KNO_3,\ K_2SO_4,\ K_2SO_3,\ K_2CO_3,\ K_3PO_4,\ K_2S,\ K_2SiO_3,\ BaCl_2,\ Ba(NO_3)_2,\ BaSO_4,\ BaSO_3,\ BaCO_3,\ Ba_3(PO_4)_2,\ NaCl,\ NaNO_3,\ Na_2SO_4,\ Na_2S,\ Na_2CO_3,\ Na_2SO_3,\ CaCl_2,\ CaCO_3,\ Ca(NO_3)_2,\ CaSO_4,\ AlCl_3$

Axit:

$HCl,\ HNO_3,\ H_2S,\ H_2SO_3,\ H_2SO_4,\ H_2CO_3,\ H_2SiO_3,\ H_3PO_4,\  HF,\ HI,\ HBr,\ HCOOH,\ CH_3COOH,\ (COOH)_2,\ C_2H_3COOH,\ CH_2(COOH)_2,\ C_3H_5COOH,\ C_4H_7COOH,\ C_2H_5COOH,\ C_3H_7COOH,\ C_4H_9COOH,\ C_2H_4(COOH)_2$

Bazơ:

$KOH,\ NaOH,\ Mg(OH)_2,\ Ca(OH)_2,\ Ba(OH)_2,\ Zn(OH)_2,\ Pb(OH)_2,\ Cu(OH)_2,\ Fe(OH)_2,\ Fe(OH)_3,\ Al(OH)_3,\ LiOH,\ Cr(OH)_3,\ RbOH,\ AgOH,\ Pb(OH)_4,\ Be(OH)_2,\ Ni(OH)_2,\ Sn(OH)_2,\ Co(OH)_2,\ Mn(OH)_2,\ Mn(OH)_4,\ CsOH$

20 muối: KCl, KNO3, K2SO4, K2SO3, KBr, KI, K2S, K2CO3, K3PO4, NaCl, NaNO3, Na2So4, Na2SO3, NaBr, Na2S, Na2CO3, Na3PO4, FeCl3

25 axit: HCl, H2SO4, HNO3, H2SO4, HBr, H2CO3, H3PO4, HF, HI, HNO3, H3PO3, H2S, H2SiO3, HClO, HClO2, HAlO2, HClO3, HClO4, HCN, H4P2O7. Được có 20 cái=)) vì gốc axit hơi ít nên mình cũng chỉ nghĩ ra bằng đấy.

25 bazo: KOH, LiOH, NH4OH, NaOH, Cu(OH)2, CuOH, AgOH, Mg(OH)2, Al(OH)3, Cr(OH)3, Ca(OH)2, Ba(OH)2, Zn(OH)2, Fe(OH)2, Fe(OH)3, Mn(OH)2, Bi(OH)3, Pb(OH)3, Sn(OH)2, Sr(OH)2. Nghĩ hết nổi rồi :)