| 31. | Cobalt can also be leached from the slag of copper smelting.
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| 32. | Cobalt-based catalysts are used in reactions involving carbon monoxide.
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| 33. | After an operation and chelation for cobalt poisoning, Arlene recovers.
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| 34. | Cobalt occurs as carrollite and cobaltiferous pyrite in approximately equal proportions.
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| 35. | Although many cobalt salts were suitable, Horne used cobalt octoate.
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| 36. | Although many cobalt salts were suitable, Horne used cobalt octoate.
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| 37. | He showed that cobalt can function under heterogeneous or homogeneous conditions.
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| 38. | The tongue is blue-violet to cobalt blue in color.
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| 39. | US Navy boats glide through rays of sunlight glinting off cobalt waters.
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| 40. | It's yellow, bright red, cobalt blue.
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