Alkali: a soluble matter that forms hydroxyl ions in solution. e. g. NaOH or KOH.

碱：在溶液中可形成氢氧根离子的可溶性物质。例如氢氧化钠或氢氧化钾。

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Alkali: a soluble matter that forms hydroxyl ions in solution. e. g.

碱：在溶液中可形成氢氧根离子的可溶性物质。

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In an aqueous solution, he passes electric current and causes silver ions to deposit and form metallic silver.

在水溶液中，他接通电流，这得银离子,沉淀，并形成金属银。

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This means that when a drop of liquid is mixed with a suitable solution of paramagnetic ions, which become magnetic in the presence of a permanent magnet, it will be pushed to where the field is weakest, and stay there.

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Wander into any eighth-grade science fair and you're likely to see an example of this destructive process at work - place two dissimilar metals in an electrolyte solution and one of the materials will slowly steal ions from the other, causing it to oxidize, become brittle and eventually break apart.

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