Official ICSE Book for Class 9 Chemistry: Charts Reference Important Formulas
Access the official ICSE textbook for Class 9 Chemistry, updated for the 2026-27 academic session. This digital resource provides the foundational knowledge required for exam success and conceptual clarity.
Chapter-wise Study Material: Charts Reference Important Formulas
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Reference - Important Formulas
| K1+ | Potassium | Mg2+ | Magnesium | Pb2+ | Lead |
|---|---|---|---|---|---|
| KCl | - chloride | MgCl2 | - chloride | PbCl2 | - [II] chloride |
| KBr | - bromide | Mg(OH)2 | - hydroxide | PbBr2 | - [II] bromide |
| KI | - iodide | Mg(NO3)2 | - nitrate | Pb(OH)2 | - [II] hydroxide |
| KOH | - hydroxide | MgO | - oxide | Pb(NO3)2 | - [II] nitrate |
| KNO2 | - nitrite | Mg3N2 | - nitride | PbSO4 | - [II] sulphate |
| KNO3 | - nitrate | Zn2+ | Zinc | PbO | - [II] oxide |
| KHCO3 | - bicarbonate | ZnCl2 | - chloride | Pb3O4 | Trilead tetraoxide |
| KHSO3 | - bisulphite | Zn(OH)2 | - hydroxide | Pb4+ | Lead |
| KHSO4 | - bisulphate | Zn(NO3)2 | - nitrate | PbO2 | [IV] oxide |
| KMnO4 | - permanganate | ZnSO4 | - sulphate | Al3+ | Aluminium |
| K2SO3 | - sulphite | ZnCO3 | - carbonate | AlCl3 | - chloride |
| K2SO4 | - sulphate | ZnO | - oxide | Al(OH)3 | - hydroxide |
| K2CO3 | - carbonate | [Zn(NH3)4]SO4 | Tetramine zinc sulphate | Al2(SO4)3 | - sulphate |
| K2Cr2O7 | - dichromate | Cu1+ | Copper [Cuprous] | Al2S3 | - sulphide |
| K2ZnO2 | - zincate | CuCl | - [I] chloride | Al2O3 | - oxide |
| K2PbO2 | - plumbite | Cu2O | - [I] oxide | AlN | - nitride |
| KAlO2 | - aluminate | Cu2S | - [I] sulphide | Mn2+ | Manganese |
| Na1+ | Sodium | Cu2+ | Copper [Cupric] | MnCl2 | - [II] chloride |
| NaCl | - chloride | CuCl2 | - [II] chloride | MnSO4 | - [II] sulphate |
| NaOH | - hydroxide | Cu(OH)2 | - [II] hydroxide | Mn4+ | Manganese |
| NaNO2 | - nitrite | Cu(NO3)2 | - [II] nitrate | MnO2 | - [IV] oxide |
| NaNO3 | - nitrate | CuSO4 | - [II] sulphate | Cr3+ | Chromium |
| NaHCO3 | - bicarbonate | CuS | - [II] sulphide | CrCl3 | - chloride |
| NaHSO3 | - bisulphite | CuO | - [II] oxide | Cr2(SO4)3 | - sulphate |
| NaHSO4 | - bisulphate | [Cu(NH3)4]SO4 | Tetramine copper [II] sulphate | Cr2O3 | - oxide |
| Na2SO3 | - sulphite | Fe2+ | Iron [Ferrous] | Ag1+ | Silver |
| Na2SO4 | - sulphate | FeCl2 | - [II] chloride | AgCl | - chloride |
| Na2CO3 | - carbonate | Fe(OH)2 | - [II] hydroxide | AgBr | - bromide |
| Na2ZnO2 | - zincate | Fe(NO3)2 | - [II] nitrate | AgNO3 | - nitrate |
| Na2PbO2 | - plumbite | FeSO4 | - [II] sulphate | AgCN | - cyanide |
| NaAlO2 | - aluminate | FeS | - [II] sulphide | [Ag(NH3)2]Cl | Diamine silver chloride |
| Na[Ag(CN)2] | Sodium silver cyanide | FeO | - [II] oxide | NH41+ | Ammonium |
| Ca2+ | Calcium | FeSO4-NO | Nitroso iron [II] sulphate | NH4Cl | - chloride |
| CaCl2 | - chloride | Fe3+ | Iron [Ferric] | NH4OH | - hydroxide |
| Ca(OH)2 | - hydroxide | FeCl3 | - [III] chloride | NH4NO3 | - nitrate |
| Ca(NO3)2 | - nitrate | Fe(OH)3 | - [III] hydroxide | (NH4)2SO4 | - sulphate |
| Ca(HCO3)2 | - bicarbonate | Fe(NO3)3 | - [III] nitrate | ||
| Ca(HSO3)2 | - bisulphite | Fe2(SO4)3 | - [III] sulphate | ||
| CaSO3 | - sulphite | Fe2S3 | - [III] sulphide | ||
| CaSO4 | - sulphate | Fe2O3 | - [III] oxide | ||
| CaCO3 | - carbonate | ||||
| CaO | - oxide | ||||
| CaSiO3 | - silicate | ||||
| Ca3N2 | - nitride |
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ICSE Book for Class 9 Chemistry Charts Reference Important Formulas
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