cation tests; sodium hydroxide tests

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cations - metal ions (metal ions always have a positive charge)

Last updated 7:31 PM on 6/11/26

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1

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copper 2+

light blue precipitate

2

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fe 2+

green precipitate

3

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fe 3+

brown precipitate

4

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ca 2+

white precipitate

doesn’t dissolve with excess NaOH

5

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mg 2+

white precipitate

doesn’t dissolve with excess NaOH

6

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al 3+

white precipitate

dissolves with excess sodium hydroxide