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8:20
YouTube
Allery Chemistry
Variable oxidation states - Cobalt Chemistry
Cobaltastic!!!!!! Explore this video to find out the complexes that form when we oxidise cobalt 2+ ions using hydrogen peroxide and hydroxide. Plus reactions involving the doubly useful ammonia acting as a base and ligand! Impressive! Learn your colours too!
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May 2, 2015
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Children in the Congo endure brutal conditions working in the cobalt mines
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Cobalt blue is everywhere this season — but the question is, what do you wear it with? This bold shade becomes incredibly elegant when you pair it with the right colors. 1) 💙 🖤 Cobalt blue plus black Sharp and modern. Black grounds cobalt blue beautifully and keeps the look clean and intentional. 2) 💙 🔵 Cobalt blue plus navy Elegant and refined. Navy adds depth without competing, making cobalt feel polished and elevated. 3) 💙 💙🦋🧵🩵 Cobalt blue with blue Different shades of blue together
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