UNIVERSAL KIMYO
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Keling!!! Kimyoni birgalikda Γ³rganamizπŸ”₯
Π”Π°Π²Π°ΠΉΡ‚Π΅!!! Π˜Π·ΡƒΡ‡Π°Π΅ΠΌ вмСстС Π₯имиюπŸ”₯
ustoz: Bunyod Raxmanov
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Bog'lanish πŸ”— @ProChem
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Tutqich qanday vazifani bajaradi
βœ…Kolbaning oĝzini mahkam ushlash

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Asbest to'rni vazifasi nima?

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Tarozini ikki pallasiga CaCO3 ochiq idishda 5 g dan qoΚ»yilgan chap pallasi qizdiriladi va taroziga qoΚ»yildi . Qaysi fikr toΚ»gΚ»ri?
A) o'ng 2.2 gr ga oĝirβœ…
B) òng 2.8 ga ga oĝir
C) chap 2.2 gr ga oĝir
D) chap 2.8 great ga oĝir

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Tabiiy polimer?
A) Sellulozaβœ…
B) Saxaroza
C) Diyen-kauchuk
D) Polietilen

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Suyultirilgan sulfat kislota qaysi modda bilan reaksiyaga kirishadi
1) K2SO3βœ…
2) CO2
3) Al(OH)3βœ…
4) H2

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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2:1 mol nisbatda olingan ikki xil alkanning vodorodlar soni uglerodlar soniga nisbati 20/7
Birinchi uglevodorodning vodorodlar soni ikkinchi uglevodorod vodorodlar soniga nisbati 3/2
Shu aralashmani yoqish uchun qancha hajm kislorod sarflanad?

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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2mol butanon oksidlanganda 88,8g C3H6O2 hosil boΚ»lgan boΚ»lsa hosil boΚ»lgan metan va etan kislota massasini toping?

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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2:1 nitroalkan bilan nitrobenzol qaytarilganda hosil bo’lgan aralashmada vodorod atomlarining umumiy atomlarga nisbati 33:52 nisbatda bo'lsa, nitroalkanni aniqlang?

2CnH2n+3N va C6H7N

4n+13 33
----------- = -----
6n+22 52

n=5 C5H11NH2βœ…

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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N2 va He massa ulushi teng boΚ»lgan aralashmani 42 gradus 83.1 kpa da 12,6 l aralashma massasini toping?

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πŸ”— @ChemOfficer
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Hona haroratida 1*10–⁸ M Natriy bromid eritmasini pH qiymatini toping?
βœ…pH=7

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Etil spirti sifat reaksiyasi? β€” ishqor va Lyugol eritmasi (yod, kaliy yodid aralashmasining suvdagi eritmasi)dan foydalaniladi.

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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πŸ”— @ChemOfficer
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πŸ”Έdavomi sal keyinroqπŸ™‚
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800g 13.1% li sulfat kislota stexiometrik nisbatda olingan bariy nitrid bilan tasirlashganda, eritmada kislota va tuz massasi teng boΚ»ldi. Hosil boΚ»lgan eritma massasini toping?

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Fisher-Tropsh usuli
nCO+(2n+1)H2da1:x nisbatda reaksiyaga kirishib 3:2:1 nisbatda butan,propan,etan hosil boΚ»ldi.
A)1:x nisbatda olingan CO+ H2 163 g nechcha mol keladi.
B)1:x nisbatda olingan CO+H2 65,2 g aralashmadan necha gram suv chiqadi.

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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πŸ‘1
Berilgan tartib raqamlarni elektron potentsiali ortib borish bo'yicha joylashtiring.
βœ… 12, 3, 4

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FeO va Cu dan iborat aralashma ga kons HNO3 qoΚ»shilganda 11,2 l gaz hosil bΓ²ldi. Chiqqan tuzlar parchalanishdan olingan oksidlar massasi 32 g boΚ»lsa, dastlabki aralashma massasini toping?

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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HClga ikkita modda taΚΌsir ettirildi. Ikkovida ham gaz chiqdi. Bittasi rangli bittasi rangsiz boΚ»lsa qoΚ»shilgan moddalarni aniqlang?
βœ… KMnO4 va Fe
yoki
βœ…MnO2 va K2S

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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CH3CHCHCCH dagi sigma va pi bogΚ»lar sonini va C atomlarining gibridlanishi aniqlang?
βœ…10ta sigma, 3ta pi, 4ta sp3, 6ta sp2, 4ta sp

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Ag+ Mg2+ Ca2+ bor shu aralashmaga qaysi modda qo'shsa, faqat Ag+ qoladi?
A)NaFβœ…
B)Na2CO3
C)K2SO4
D)fosfatli tuz

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Benzolga 200 gr 37,2 % li nitrat kislotaning sulfat kislotali eritmasidan qoΚ»shilganda, eritmada nitrat kislota va nitrobenzollarning massa ulushi teng boΚ»lsa, olingan nitrobenzoldan qancha massali anilin olish mumkin?

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
ustozπŸ‘¨πŸ»β€πŸ« Bunyod Raxmanov
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