Noma’lum inert gaz va kisloroddan iborat aralashma elektr uchqunlari orqali o’tkazilganda aralashmadagi kislorodning i ozonga aylandi va aralashmaning zichligi marta ortdi
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A)E.Frankland B)F.Griniyar C)K.Sigler D)V.Seyze 1-2 №20124415104
Qaysi olim birinchi marta alkil fosfin kislota efirini sintez qilgan? A)E.Frankland B)F.Griniyar C)E.Arbuzov D)V.Seyze 1-2 №20124515104 Etilenglikolni birinchi marta qaysi olim dixlor etanning gidrolizidan sintez qilgan? A)A.Vyurs B)K.Shyele C)Bertlle D)F.Misher 1-2 №20124615104
Kraxmalning kislotali va fermentativ gidrolizini birinchi marta qaysi olim kashf qilgan? A)A.Vyurs B)K.Kirxgof C)Bertlle D)F.Misher 1-2 №20124715104
Qaysi olim birinchi marta tozalanmagan morfinni ajratib olgan? A)Segen B)Sertyurner C)Gize D)Voskresenskiy 1-2 №20124815104
Qaysi olim birinchi marta toza morfinni ajratib olgan? A)Segen B)Sertyurner C)Gize D)Voskresenskiy 1-2 №20124915104
Qaysi olim birinchi marta xinin alkaloidini ajratib olgan? A)Segen B)Sertyurner C)Gize D)Voskresenskiy 1-2 №20125015104 Qaysi olim birinchi teobrominni ajratib olgan? A)Segen B)Sertyurner C)Gize D)Voskresenskiy 1-2 №20125115104
Anabazin alkaloidining tuzulishini qaysi olim birinchi marta aniqlagan? A)P. Orexov B)O. S. Sodiqov C)S.Y. Yunusov D)X.U.Usmonov 1-3 №20125215105
Quyidagi jarayonlarni - reaksiya natijasida hosil bo’ladigan ranglar- bilan juftlab ko’rsating. a)rangsiz; b)ko’k; c)binafsha; d)qizil; g)sariq; 1)etilen + bromli suv; 2)rezorsin + FeCl3; 3)tirozin + HNO3; 4)alizarin + Fe(OH)3; A)1a, 2c, 3d, 4g B)1a, 2c, 3g, 4c C)1b, 2b, 3g, 4c D)1a, 2c, 3g, 4d 1-3 №20125315105 Quyidagi jarayonlarni - reaksiya natijasida hosil bo’ladigan ranglar- bilan juftlab ko’rsating. a)rangsiz; b)ko’k; c)binafsha; d)qizil; g)sariq; 1)stirol + bromli suv; 2)salitsil kislota + FeCl3; 3)fenilalanin + HNO3; 4)oqsil + Hg(NO3)2 + HNO2; A)1a, 2c, 3d, 4g B)1a, 2c, 3g, 4c C)1b, 2b, 3g, 4c D)1a, 2c, 3g, 4d 1-3 №20125415105 Quyidagi jarayonlarni - reaksiya natijasida hosil bo’ladigan ranglar- bilan juftlab ko’rsating. a)rangsiz; b)ko’k; c)binafsha; d)qizil; g)sariq; 1)stirol + KMnO4 + H2SO4; 2)gidroxinon + FeCl3; 3)tirozin + HNO3; 4)alizarin +Al(OH)3; A)1a, 2c, 3d, 4g B)1a, 2c, 3g, 4c C)1b, 2b, 3g, 4c D)1a, 2c, 3g, 4d 1-3 №20125515105 Quyidagi jarayonlarni - reaksiya natijasida hosil bo’ladigan ranglar- bilan juftlab ko’rsating. a)rangsiz; b)ko’k; c)binafsha; d)qizil; g)sariq; 1)izopren + bromli suv; 2)-krizol + FeCl3; 3)dipeptid +Cu(OH)2; 4)oqsil + Hg(NO3)2 + HNO2; A)1a, 2c, 3d, 4g B)1a, 2c, 3b, 4d C)1b, 2b, 3g, 4c D)1a, 2c, 3c, 4d 1-3 №20125615105 Quyidagi jarayonlarni - reaksiya natijasida hosil bo’ladigan ranglar- bilan juftlab ko’rsating. a)rangsiz; b)ko’k; c)binafsha; d)qizil; g)sariq; 1)stirol + bromli suv; 2)rezorsin + FeCl3; 3)Yod qo’shilgan kraxmal klasteri qizdirilsa; 4)oqsil + Hg(NO3)2 + HNO2; A)1a, 2b, 3d, 4g B)1a, 2c, 3a, 4d C)1a, 2b, 3g, 4c D)1a, 2c, 3b, 4d 1-3 №20125715105 Quyidagi jarayonlarni - reaksiya natijasida hosil bo’ladigan ranglar- bilan juftlab ko’rsating. a)yashil; b)ko’k; c)binafsha; d)qizil; g)sariq; 1)kraxmal + I2; 2)tripeptid +Cu(OH)2; 3)tirozin + HNO3; 4)alizarin + Al(OH)3;
B)1b, 2b, 3g, 4a C)1b, 2c, 3g, 4a D)1a, 2c, 3a, 4d 1-3 №20125815105
Quyidagi jarayonlarni - reaksiya natijasida hosil bo’ladigan ranglar- bilan juftlab ko’rsating. a)yashil; b)ko’k; c)binafsha; d)qizil; g)sariq; 1)amilaza + I2; 2)tripeptid +Cu(OH)2; 3)tirozin + HNO3; 4)alizarin + Cr(OH)3; A)1b, 2c, 3g, 4d B)1b, 2b, 3g, 4a
D)1a, 2c, 3a, 4d 1-3 №20125915105
Quyidagi jarayonlarni - reaksiya natijasida hosil bo’ladigan ranglar- bilan juftlab ko’rsating. a)yashil; b)ko’k; c)binafsha; d)qizil; g)sariq; 1)glitserin + Cu(OH)2; 2)yuqori molekulyar peptidlar +Cu(OH)2; 3)antrosen + O2 ; 4) Etanol + K2Cr2O7 + H2SO4 Download 218.65 Kb. Do'stlaringiz bilan baham: |
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