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ما التآكل؟

كيمياء

QuestionAnswer
الاسم العلمي لتآكل فلز الحديد اكسيد الحديد المائي كبريتات الحديد كربونات الحديد اكسيد الحديد
شروط حدوث صدأ الحديد الماء والاكسجين الاكسجين الماء الملح
المادة التي تمنع حدوث الصدأ كلوريد الكالسيوم اللامائي الاكسجين الماء كلوريد الصودوم
ليست من طرق منع حدوث الصدأ التسخين الطلاء الطلاء الكهربائي التزييت
من طرق منع الصدأ يغطى الفلز بمصهور الخارصين الجلفنة الطلاء بالكروم الطلاء بالبلاستيك التزييت
من خصائص الفلز الذي يستخدم في الطلاء الكهربائي اقل نشاط اكثر نشاط نفس الفلز الاصلي الحديد
Created by: ruqayaalodat
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