铁生锈只是形态的变化吗?若不是,还有什么变化,是可逆变化的吗?

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铁生锈只是形态的变化吗?若不是,还有什么变化,是可逆变化的吗?

铁生锈只是形态的变化吗?若不是,还有什么变化,是可逆变化的吗?
铁生锈只是形态的变化吗?若不是,还有什么变化,是可逆变化的吗?

铁生锈只是形态的变化吗?若不是,还有什么变化,是可逆变化的吗?
有化学变化,不可逆

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铁遇水后,慢慢产生新的物质的变化