Question

1.2 Mg + 1 ou 2 Mgo 2. 2 A1+_LN AIN 33 Fe + 20,- | Fe:0. H₂O + 0₂ 2H₂O2-2 H 2042 NH.NO, N,0 +_ _H20 AgNO3 +_ _Zn → __Zn(NO3)2 + Ag Na +_ H2O + NaOH + H2 Fe(OH)3 + __H2SO4 → ___ Fe(SO.)3 + ___ H20 AgNO3 + __ H2S → __ AgzS + __HNO, Al +_ Fe,Og → Fe +_ _A1,03 Cu + __ Ag,SO. → __ Cuso, + __ Ag NH, + O + HNO + H2 KCIO3 → KCI + O2 P+_ 02 _ P206 KCI + __Pb(NO3)2 → __PbCl2 + __KNO: _ Na2CO3 + HCl → __NaCl + , +_ H,0 C,He + ___02 → __CO2 + __H,0 C,H,OH + O2 → _ _CO, +_ H2O Si0+ —_H_F, → _ Sif, + ___ H20 SnO2 + C → Sn + ____co ZnS + ___0_ ZnO + _ S02 *22. Nal0s + — Nal + _H,SO.—__1 + __ Na2SO, + ___ H20 *23. _U30 + H,80, 00,80, +_ USO )2 + _H0 *24. - 5.0+ --Zn + _H,80,_-_ V,02 + ____ H20 + ___Znso. *25._ Cu + HNO, _Cu(NOS), + NO +_ _H,0 (* = optional)

Answer 1

1.2 mg + 1 ₂ 2 Mgo 2. 2 Al + _LN, → 2 AIN 3 3 Fe + 20,- | Fey0. 4. 2 H₂0₂|_ 2 H₂O + 0₂ 2H2O2-2H2O+2 5. 2 NH NO3 →_2 N,0 +_ 4 H20 6. - 2 AgNO3 + ___Zn → ___Zn(NO3)2 + 2 Ag 7. 2 Na +_ 2 H2O →_ 2 NaOH + __ _H 8_ 2 Fe(OH)2 + 3 H2SO4 → ___ Fe (SO )3 +_ 6 H,0 2 AgNO3 + H2S → Ag2S + 2 HNO, 10. 2 Al +_ Fe2O3 → _2 Fe +_ _A1203 Cu + __ Ag SO. - Cuso, +_2 Ag NH3 + 20,—_ HNO3 + H2O 2KCIO3 →_2 KCI +_ 3.02 4P+_5 02 +_ 2 P,06 2 KCI + _ Pb(NO3)2 → __ PbCl2 +_2 KNO: __Na2CO3 +_ 2 HCl →_2 NaCl + __C0, +_ H,0 2C,He +_70,— _4 CO2 +_6H20 _C,H,OH__302 →_2.CO2 +_ 3 H20 19. Sio + 2 H,F, _ SiF,+ 2 H20 20. _ Sn0g +2C_ _Sn+ 2 co 21.-2 ZnS +_302_2_ZnO +_2502 *22. 5 Nalo, + NaI +_ 3 H,SO. _ 31, +_ 3 Na2SO4 +_ 3 H,0 *23. _ 0,08 + 4 H S0 2 U0,50, + __ U(SO )2 + 4 H20 *24. __V,0+ 32n + 3 H,SO. __V,0+ - 34,0 +_3ZnSo. *25. 3 Cu + 8 HNO, 3Cu(NO3)2 + 2 NO +_ 4 ,0 (* = optional)