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METAL OXIDES & HYDROXIDES
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These are mostly insoluble (can’t be dissolved in water) EXCEPT! -Those containing Sodium (Na+) -Those containing Potassium (K+) METAL OXIDES & HYDROXIDES
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These are mostly insoluble (can’t be dissolved in water) EXCEPT! -Those containing Sodium (Na+) -Those containing Potassium (K+) Calcium oxide and calcium hydroxide are moderately soluble. METAL OXIDES & HYDROXIDES
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These are mostly insoluble (can’t be dissolved in water) EXCEPT! -Those containing Sodium (Na+) -Those containing Potassium (K+) Calcium oxide and calcium hydroxide are moderately soluble. EG – Lithium oxide in water: METAL OXIDES & HYDROXIDES
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These are mostly insoluble (can’t be dissolved in water) EXCEPT! -Those containing Sodium (Na+) -Those containing Potassium (K+) Calcium oxide and calcium hydroxide are moderately soluble. EG – Lithium oxide in water: Li 2 O + H 2 O LiOH METAL OXIDES & HYDROXIDES
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These are mostly insoluble (can’t be dissolved in water) EXCEPT! -Those containing Sodium (Na+) -Those containing Potassium (K+) Calcium oxide and calcium hydroxide are moderately soluble. EG – Lithium oxide in water: Li 2 O + H 2 O LiOH Li 2 O + H 2 O 2LiOH METAL OXIDES & HYDROXIDES
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These are mostly insoluble (can’t be dissolved in water) EXCEPT! -Those containing Sodium (Na+) -Those containing Potassium (K+) Calcium oxide and calcium hydroxide are moderately soluble. EG – Lithium oxide in water: Li 2 O + H 2 O LiOH Li 2 O + H 2 O 2LiOH Eg – Calcium hydroxide forms when calcium oxide is added to water METAL OXIDES & HYDROXIDES
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These are mostly insoluble (can’t be dissolved in water) EXCEPT! -Those containing Sodium (Na+) -Those containing Potassium (K+) Calcium oxide and calcium hydroxide are moderately soluble. EG – Lithium oxide in water: Li 2 O + H 2 O LiOH Li 2 O + H 2 O 2LiOH Eg – Calcium hydroxide forms when calcium oxide is added to water CaO + H 2 O Ca(OH) 2 METAL OXIDES & HYDROXIDES
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These are mostly insoluble (can’t be dissolved in water) EXCEPT! -Those containing Sodium (Na+) -Those containing Potassium (K+) Calcium oxide and calcium hydroxide are moderately soluble. EG – Lithium oxide in water: Li 2 O + H 2 O LiOH Li 2 O + H 2 O 2LiOH Eg – Calcium hydroxide forms when calcium oxide is added to water CaO + H 2 O Ca(OH) 2 * A saturated solution of calcium hydroxide is called limewater. METAL OXIDES & HYDROXIDES
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Metal oxides and metal hydroxides have the same chemical properties. CHEMICAL PROPERTIES
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Metal oxides and metal hydroxides have the same chemical properties. Eg – The reactions of magnesium oxide and magnesium hydroxide with HCl : - Magnesium Oxide + Hydrochloric Acid Magnesium Chloride + water CHEMICAL PROPERTIES
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Metal oxides and metal hydroxides have the same chemical properties. Eg – The reactions of magnesium oxide and magnesium hydroxide with HCl : -Magnesium Oxide + Hydrochloric Acid Magnesium Chloride + water MgO + HCl MgCl 2 + H 2 O CHEMICAL PROPERTIES
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Metal oxides and metal hydroxides have the same chemical properties. Eg – The reactions of magnesium oxide and magnesium hydroxide with HCl : -Magnesium Oxide + Hydrochloric Acid Magnesium Chloride + water MgO + HCl MgCl 2 + H 2 O MgO + 2HCl MgCl 2 + H 2 O CHEMICAL PROPERTIES
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Metal oxides and metal hydroxides have the same chemical properties. Eg – The reactions of magnesium oxide and magnesium hydroxide with HCl : -Magnesium Oxide + Hydrochloric Acid Magnesium Chloride + water MgO + HCl MgCl 2 + H 2 O MgO + 2HCl MgCl 2 + H 2 O Magnesium Hydroxide + Hydrochloric Acid Magnesium Chloride + water CHEMICAL PROPERTIES
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Metal oxides and metal hydroxides have the same chemical properties. Eg – The reactions of magnesium oxide and magnesium hydroxide with HCl : -Magnesium Oxide + Hydrochloric Acid Magnesium Chloride + water MgO + HCl MgCl 2 + H 2 O MgO + 2HCl MgCl 2 + H 2 O Magnesium Hydroxide + Hydrochloric Acid Magnesium Chloride + water Mg(OH) 2 + HCl MgCl 2 + H 2 O CHEMICAL PROPERTIES
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Metal oxides and metal hydroxides have the same chemical properties. Eg – The reactions of magnesium oxide and magnesium hydroxide with HCl : -Magnesium Oxide + Hydrochloric Acid Magnesium Chloride + water MgO + HCl MgCl 2 + H 2 O MgO + 2HCl MgCl 2 + H 2 O Magnesium Hydroxide + Hydrochloric Acid Magnesium Chloride + water Mg(OH) 2 + HCl MgCl 2 + H 2 O Mg(OH) 2 + 2HCl MgCl 2 + 2H 2 O CHEMICAL PROPERTIES
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In these chemical reactions, the acid is neutralised by the metal oxide or metal hydroxide. CHEMICAL REACTIONS
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In these chemical reactions, the acid is neutralised by the metal oxide or metal hydroxide. Solid magnesium chloride will form if the solution is evaporated. CHEMICAL REACTIONS
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In these chemical reactions, the acid is neutralised by the metal oxide or metal hydroxide. Solid magnesium chloride will form if the solution is evaporated. The Mg ions, come from the magnesium oxide/hydroxide, and the chloride ions, come from the hydrochloric acid. CHEMICAL REACTIONS
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SubstanceUses Aluminium OxideProduction of aluminium metal Sodium Hydroxide (also called caustic soda) Absorbs CO 2 Soap making, oven and concrete cleaning Calcium Hydroxide (Limewater) Test for CO 2 In making bleaching powder ‘Whitewash’ for buildings USES
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