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Date: 26-11-2018
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Date: 30-3-2019
1154
Date: 24-10-2018
1399
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Hydroxide ions remove hydrogen ions from the water ligands attached to the cobalt ion. Once a hydrogen ion has been removed from two of the water molecules, you are left with a complex with no charge - a neutral complex. This is insoluble in water and a precipitate is formed.
In the test-tube, the color changes are:
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لصحة القلب والأمعاء.. 8 أطعمة لا غنى عنها
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حل سحري لخلايا البيروفسكايت الشمسية.. يرفع كفاءتها إلى 26%
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جامعة الكفيل تحتفي بذكرى ولادة الإمام محمد الجواد (عليه السلام)
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