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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Atomlar soni teng boΚ»lgan dixloretanga va dixlormetan aralashmasining 47 gr massaiga suv qoΚ»shil gidrolizlanganda oksobirikmalar hosil boΚ»sa,bu oksobirikmalar kumush oksidining ammiakdagi eritmasi bilan taΚΌsirlashganda qancha mol metall hosil boΚ»ladi?

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Asetilen bn X gaz aralashmasida X ni massa ulushi 48%, mol ulushi esa 60% bΓ²lsa, X gazni toping?

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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Alyuminiy fosfit jami bog'larni soni toping?

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Birlamchi aminlar guruhi formulasi keltririlgan qatorni toping?
βœ…CnH2n+1NH2
yoki
βœ…CnH2n+3N

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ustozπŸ‘¨πŸ»β€πŸ« Bunyod Raxmanov
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Metan yonishida reaksiya tezligi 5mol/lβ€’min. Sistema bosimi 2 marta oshirildi reaksiya tezligi qanday boΚ»ladi?
CH4+2O2=>...
βœ…5Γ—2Β³=40

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Rubin va Sapfir tarkibiga kiruvchi qattiq modda NaOH va HCl bilan oson reaksiyaga kirishadi. Bu qaysi modda?
βœ…Al2O3

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Boksit tarkibida qanday oksid uchraydi?
βœ…Al2O3

Al2O3β€’nH2O – boksit
Al2O3 – korund (glinozem)

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Grinyar reaktiviga karbon kislota ta’sir ettirildi (etil magniy yodid+sirka kislota 12g)
a) hosil bo’lgan organik modda massasi
b) hosil bo’lgan organik moddani gidrolizlangandan so’ng hosil bo’lgan organik moddadagi vodorod atomlari soni

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ustozπŸ‘¨πŸ»β€πŸ« Bunyod Raxmanov
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232g Temir(II) -nitrat va mis aralashmasi ochiq havoda qizdirilganda massa o’zgarmadi.
a) dastlabki tuz massasi
b) hosil bo’lgan mis(II)oksid massasi

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πŸ”— @ChemOfficer
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Litiy bn natriydan iborat aralashma 5mol kislorodda yondirildi. Hosil bo’lgan qattiq moddalar CO2 bn reaksiyaga kirishdi. Sarflangan CO2 massasi dastlabki aralashma massasidan 2 marta ko’p.
a) Hosil bo’lgan tuz necha mol bariy xlorid bn reaksiyaga kirishadi
b) dastlabki aralashma massasi

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Metan bilan siklopropan ning H/C = 2,5 ga teng. Shu moddalarning 1 molini yonishi uchun necha mol  O2 sarflanadi?

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ustozπŸ‘¨πŸ»β€πŸ« Bunyod Raxmanov
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Ushbu oksid odatdagi sharoitda qattiq bo'lib, ishqor bilan reaksiyaga kirishadi. Kuchli kislotalar bilan kirishmaydi. Boksit va nefelin tarkibiga kiradi bu qaysi element?
βœ…Al

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PbO2+ Mn(+2) + H(+) =Pb(+2) + MnO4(-) + H2O o’ng tomon va chap tomondagi Koeffitsiyentlar yig’indisini toping?
βœ…mustaqil ishlang

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Metanga nisbatan zichligi 1,875 bo’lgan CO va noma’lum gazdan iborat aralashmada gazlarning massalari teng. Noma’lum gazni toping?

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X befarq oksid gaz va propen teng mol nisbatda olingan aralashmaning He ga nisbatan zichligi 9 ga teng boβ€˜lsa, X gaz ni toping
A) SO2
B) NOβœ…
C) N2O
D) CO

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300 mol O2 CO bn reaksiyaga kirishdi. Hosil bo'lgan CO2 bilan ortib qolgan O2 teng bΓ²lsa, hosil bo'lgan gazni miqdorini aniqlang?

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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Savol: (chin) Eritmaga xos ma'lumotni toping.
1) tarkibi bir xil moddadan iborat 2) fizik tasirlarda tarkibiy qismga ajratb bo'lmaydi 3) hosil bo'lishida issiqlik chiqishi yoki yutilishi mumkin 4) erigan modda qoΚ»shilganda hajm oΚ»zgaradi 5) butun hajm bΓ²ylab bir tekis tarqaladi
βœ…3,5

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Quyidagilardan qaysilarining suvli eritmalari pH qiymati 7 dan kichik
A) suv va rux nitrat
B)βœ…aluminiy xlorid va sirka kislota
C) kaliy atsetat va K2S
D) kaliy sulfit va nimadir

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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4 ta probirka bor. Propan kislota, propanal, propandiol-1,2, propanol-1. 3-probirkadagi moddani 1- va 4-probirkadagi moddalarni oksidlab olish mumkin. 2-probirka Cu(OH)2 bilan ko'k rangli eritma hosil qiladi. 1-probirka Cu(OH)2 bilan qizil chokma hosil qiladi. 3-probirkadagi moddani aniqlang
A) propanal
B)βœ…propan kislota
C) propandiol-1,2
D) propanol-1

5️⃣0οΈβƒ£πŸ”£β€οΈβ€οΈβ€οΈπŸ—“ IYUNDAN 3️⃣ OYLIK YOZGI TA'TIL KURSIGA START🏁 BERILADI
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MgSO4 ning 840 gr 40%li eritmasi 50Β°C gacha sovutildi. 648 gr to'yingan eritma olindi. MgSO4 *xH2O cho'kmaga tushdi. (S= 50 t=50 Β°C)
A) x ni aniqlang
B) kristalogidrat tarkibidagi kislorod atomlarining molini aniqlang.

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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