3. 实验室进行铁钉镀锌实验。下列相关原理、装置及操作不正确 是的
<table><tr><td>A</td><td>B</td><td>C</td><td>D</td></tr><tr><td><img src="https://zebfdsytobcavmuynuhx.supabase.co/storage/v1/object/public/review-images/tasks/62684928-facb-4362-8dd4-0da4438f5eb9/2c351cc236d9bb34.jpg"/></td><td><img src="https://zebfdsytobcavmuynuhx.supabase.co/storage/v1/object/public/review-images/tasks/62684928-facb-4362-8dd4-0da4438f5eb9/d84f1961523c7975.jpg"/></td><td><img src="https://zebfdsytobcavmuynuhx.supabase.co/storage/v1/object/public/review-images/tasks/62684928-facb-4362-8dd4-0da4438f5eb9/3f0aaa0381d4d8d7.jpg"/></td><td><img src="https://zebfdsytobcavmuynuhx.supabase.co/storage/v1/object/public/review-images/tasks/62684928-facb-4362-8dd4-0da4438f5eb9/33d0e6f9bc415d45.jpg"/></td></tr><tr><td>配制NaOH溶液</td><td>铁钉除油污</td><td>铁钉除锈</td><td>铁钉镀锌</td></tr></table>
A