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Does a precipitate form when metal hydroxide is added?
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YES
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NO
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Is the precipitate blue?
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Potassium
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It does form but it's amphoteric
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YES
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NO
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Copper(II)
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Cobalt(II)
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Purple flame on flame test
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Zinc
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Blue/green flame on flame test
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No flame change on flame test
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Green flame on confirmation test
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