Navoiy davlat konchilik instituti Kimyo-metallurgiya fakulteti



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Navoiy davlat konchilik instituti

Kimyo-metallurgiya fakulteti

«Metallurgiya» kafedrasi
3A-16 Met guruhi talabasi Qodirov Abdurasul O’ktam o’g’lining

Davlat attestatsiyasi uchun yozgan ishi


Bilet №1

  1. Kobaltni turli sanoat va xalq xo'jaligida ishlatilishiga olib keladigan fizik-kimyoviy xususiyatlarini tushintirib bering.

  2. To’yingan anionitlarni tiomochevina eritmasi bilan desorbsiyalash jarayoni mexanizmini tushuntirib bering.

  3. Temir okatishlari ishlab chiqarish texnologiyasini tushuntiring

  4. Boyitish stollarida oltin ajratib olish jarayonini tushuntiring.

  5. Spiralli klassifikatorlarning turlari va ishlash prinsiplari haqida tushintirib bering.

1 savolga javob:

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2 savolga javob:

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Qodirov A.O’. ___________



imzo

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