【題目】世界每年因銹蝕而損失的金屬數(shù)量巨大，防止金屬銹蝕已成為科學(xué)研究中的重大問題．下列有關(guān)金屬銹蝕與保護(hù)的措施中不正確的是（ ）

A．鐵銹蝕的實質(zhì)是鐵與空氣中的氧氣、水蒸氣等發(fā)生了化學(xué)變化

B．同樣的鐵制品在海南比蘭州更易銹蝕

C．在鐵表面刷油漆可以防止鐵銹蝕

D．鋁的抗腐蝕性能比鐵強，生活中可用鋼絲球洗刷鋁鍋

【答案】D

【解析】鐵在空氣中銹蝕，實際上是鐵跟氧氣、水等物質(zhì)相互作用，發(fā)生一系列復(fù)雜的化學(xué)反應(yīng)，使鐵轉(zhuǎn)化為鐵的化合物的過程，A正確；海南的空氣潮濕，蘭州的空氣干燥，因此B正確；在鐵表面刷油漆，既隔絕空氣又防水，可防止鐵銹蝕，C正確；用鋼絲球洗刷鋁制品，會把鋁表面的致密氧化膜除掉，從而失去保護(hù)作用，D不正確．

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