. (
1. | () | 2. | () |
3. | : , . -. . . | 4. | (, ) |
5. | () | 6. | (, ) |
7. | (- ) | 8. | (- ) |
1 + 2, 1 + 6, 1 + 8 (5 + 2), 5 + 4, 5 + 6, 5 + 8
3 + 4, 3 + 6, 7 + 6, 7 + 8;
1 + 2: Ca + Cl2→ CaCl2; 1+ 6: Fe + H2SO4→ FeSO4 + H2; 1 + 8; Zn + CuSO4 → Cu + ZnSO4;
3 + 4: Na2O + SO3 → Na2SO4; 3 + 6: Fe2O3 + 3H2SO4 → Fe2(SO4)3 + 3H2O;
(5 + 2): 2KOH + Cl2 → KCl + KClO + H2O; 5 + 4: Ca(OH)2 + CO2 → CaCO3;
5 + 6: Cu(OH)2 + 2HNO3 → Cu(NO3)2 + 2H2O; 5 + 8: 3NaOH + FeCl3 → 3NaCl + Fe(OH)3↓;
7 + 6: NaCl + H2SO4 → NaHSO4 + HCl; 7 + 8: 2 AgNO3 + BaCl2 → 2 AgCl↓ + Ba(NO3)2;
, .