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according action added alkali alloy aluminium ammonia ammonium amount anhydride appears atomic weight bases basic bismuth boiling carbon Chapter chemical chloride chromic cobalt colour combination complex composition compounds containing converted copper corresponding crystalline crystals decomposed deposits determined dissolves double easily elements especially evolved example excess existence fact ferric formation fused gives gold green heated higher hydrate hydrochloric acid hydrogen hydroxide ignited insoluble instance iron known latter lead lead dioxide less liquid lower mass means mercury metals method mixed mixture molecules nature nitric nitrogen Note observed obtained ordinary oxide oxidised oxygen passes periodic peroxide phosphorus platinum potassium precipitate prepared presence properties pure quantity reaction reduced remains replaced respect salts separated showed silica silver similar sodium soluble solution specific gravity substance sulphide sulphuric acid sulphurous anhydride taken takes temperature vapour volume whilst yellow zinc
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