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π—žπ—Άπ—Ίπ˜†π—Όπ—₯𝗕 | 𝗦𝗔𝗠𝗔π—₯𝗀𝗔𝗑𝗗

18 Dec 2024, 13:38

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πŸ“šNeftni fraksiyalari (10-sinf kimyo darsligi bo'yicha)

🟠150 °C gacha - gazolin, ya'ni benzinlar.
🟠150 °C dan 300 °C gacha - kerosin.
🟠300 °C dan yuqori-neft qoldig'i, ya'ni qoramoy (mazut).

πŸ“ŒGazolin, ya'ni benzinlar fraksiyasi. Bu fraksiya molekulasida uglerod atomlarining soni 5 dan 9 tagacha bo'lgan uglevodorodlardan iborat bo'lib, ulardan quyidagi mahsulotlar olinadi:

πŸ”Yengil benzin gazolin yoki petroley efiri. Petroley efiri, asosan, erituvchi sifatida ishlatiladi.

πŸ”O'rtacha benzin benzin fraksiyasi texnikaning qaysi sohasida ishlatilishiga ko'ra aviatsion, avtomobil benzini va hokazolarga bo'linadi. Texnikada o'rta benzin fraksiyasi, asosan, ichki yonuv dvigatellarida yonilg'i sifatida ishlatiladi.

πŸ”Og'ir benzin yoki boshqacha aytganda, ligroin. Bu fraksiya dizel dvigatellari uchun yonilg'i sifatida ishlatiladi.

πŸ“ŒKerosin fraksiyasi. Bu fraksiyani tashkil qilgan uglevodorodlar molekulasida uglerod atomlarining soni 9 dan 16 tagacha bo'ladi. Kerosin fraksiyasi maxsus usullar bilan tozalangach, traktor dvigatellarida va uy-ro'zg'orda yonilg'i sifatida ishlatiladi.

πŸ“ŒQoramoy (mazut) fraksiyasi. Bu fraksiyadagi uglevodorodlar molekulasida uglerod atomlarining soni 16 va undan ortiq bo'ladi. Qoramoy qayta ishlanganda, masalan, haydalganda, u parchalanib ketishi mumkin. Shu sababli mazut suv bug'i vositasida yoki vakuumda haydaladi. Mazutdan solar moylar, turli surkov moylari, vazelin, parafin va boshqalar olinadi. Qoramoyning turli fraksiyalari haydalib bo'lgach, qolgan qoldiq gudron deb ataladi. Gudrondan asfalt tayyorlanadi
βž–βž–βž–βž–βž–βž–βž–βž–βž–βž–βž–

πŸ“šToshko'mirni fraksiyalari (10-sinf kimyo darsligi bo'yicha)

πŸ”Yengil moy fraksiyasi.
πŸ”Fenol fraksiyasi.
πŸ”Naftalin fraksiyasi.
πŸ”Yutib olish fraksiyasi..
πŸ”Antratsen fraksiyasi.
πŸ”Toshko'mir fraksiyasi

πŸ”” Yaqinlarga ham ulashamiz
πŸ“± rb_school_uz | πŸ“± kimyorb
RB SCHOOL TA'LIM MARKAZI | KIMYO
πŸ“š π—₯𝗕 π—¦π—–π—›π—’π—’π—Ÿ - ta'lim markazining rasmiy kimyo kanaliga xush kelibsiz πŸ“ˆ Natijalarimiz: - 2022-yil t.me/RB_school/1141 - 2023-yil t.me/RB_school/3450 - 2024-yil t.me/RB_school/5768 - Milliy sertifikat t.me/RB_school/5006 Murojaat: @rb_aloqa_bot

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