Chemistry

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Chapter : 1. Metals & Non Metals

51 CuCO3 Cu + CO2
52. ZnCO3 ZnO + CO2
53. 2Na + H2 2NaH
54. NaH + H2 NaOH + H2
55 4Al + 3O2 → 2AlP3
56. Ca + Cl2 → CaCl2
57. Fe + S FeS
58. 2Al + 3Cl2 → 2AlCl3
59. 2Fe + 3Cl2 → 2FeCl3
60. Fe + H2SO4 (dil.) → FeSO4 + H2
61. Fe + 2HCl (dil.) → FeCl2 + H2
62. Mg + H2SO4 (dil.) → MgSO4 + H2
63. 2Al + 2NaOH + 2H2O → 2NaAlO2 + 3H2
64. Zn + S ZnS
65. FeS + H2SO4 (dil.) → FeSO4 + H2S
66. Cu + Cl2 → CuCl2
67. 2Cu + Oz → 2CuO
68. CuO + H2O → Cu(OH)2
69. Cu(OH)2 + CO2 → CuCO3 + H2O
70. Ca(OH)2 + CO2 → CaCO3 + H2O
71. 2NaHCO3 Na2CO3 + H2O + CO2
72. 2ZnS + 3O2 → 2ZnO + 2SO2
73. SnO2 + C → Sn + CO2
74. FeCO3 FeO + CO2
75. Na2CO3·10H2O Na2CO3 + 10H2O

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