π₯81π27
15-mart kuni FAQAT KIMYODAN sertifikat Imtixonga kirganlar belgilasin.
Anonymous Poll
23%
1-smenaga kirdim. Kimyodan sertifikatim yoΚ»q edi yoki C, C+ edi.
9%
1-smenaga kirdim. Oldingi imtxonlarda Kimyodan B, B+, A yoki A+ sertifikatim bor edi.
14%
2 -smenaga kirdim. Kimyodan sertifikatim yoΚ»q edi yoki C, C+ edi.
8%
2-smenaga kirdim. Oldingi imtxonlarda Kimyodan B, B+, A yoki A+ sertifikatim bor edi.
9%
15-16-mart kuni kimyodan sertifikatga topshirmadim, biologiyadan topshirdim.
37%
Umuman sertifikat topshirmadim.
π86β€17
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
11.Sublimatsiya jarayonini toping
Javob: 5
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
11.Sublimatsiya jarayonini toping
Javob: 5
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
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π65π5
E`tibor beringlar joyi ozgina o`zgarsa hech narsa qilmaydi. Ma`no kelib chiqsa bo`ldi.
π52β€8
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
12. Biuret reaksiyasi peptid bog`lar uchun quyidagicha ranglarni beradi.
binafsha - qizil- ko`k. Ranglar mosligini toping.
Javob: tripeptid-yuqori peptid-dipeptid
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
12. Biuret reaksiyasi peptid bog`lar uchun quyidagicha ranglarni beradi.
binafsha - qizil- ko`k. Ranglar mosligini toping.
Javob: tripeptid-yuqori peptid-dipeptid
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
@ICC_KIMYO | Online KIMYO Maktabi
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π52π₯11
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
13. 4:2:3 mol nisbatdagi propilen, etin, propadien massasi 102 gram boΚ»lsa alkinning massasini toping.
Javob: 15,6 g
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
13. 4:2:3 mol nisbatdagi propilen, etin, propadien massasi 102 gram boΚ»lsa alkinning massasini toping.
Javob: 15,6 g
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
@ICC_KIMYO | Online KIMYO Maktabi
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π35π₯12
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
38. Temir disulfidi moβl miqdordagi nitrat kislota eritmasida eritildi va molyar massasi 30 g/mol boβlgan 0.15 mol gaz ajraldi. 69.1 gr eritma olindi. Eritmada nitrat kislotaning massa ulushi sulfat kislotaning massa ulushidan 3 marta koβp. Olingan eritmada suvning massasini toping
Javob: 38,32 g
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
38. Temir disulfidi moβl miqdordagi nitrat kislota eritmasida eritildi va molyar massasi 30 g/mol boβlgan 0.15 mol gaz ajraldi. 69.1 gr eritma olindi. Eritmada nitrat kislotaning massa ulushi sulfat kislotaning massa ulushidan 3 marta koβp. Olingan eritmada suvning massasini toping
Javob: 38,32 g
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
@ICC_KIMYO | Online KIMYO Maktabi
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π42β€4
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
14. Fe2+ dan 0.05 mol, Al3+ dan 0.2 mol, Br- dan 0.6 mol, NO3- va Cl- 0.14 mol bo`lgan eritmadagi Ca2+ nechi mg ekanligini aniqlang.
Javob: 800 mg
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
14. Fe2+ dan 0.05 mol, Al3+ dan 0.2 mol, Br- dan 0.6 mol, NO3- va Cl- 0.14 mol bo`lgan eritmadagi Ca2+ nechi mg ekanligini aniqlang.
Javob: 800 mg
Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.
@ICC_KIMYO | Online KIMYO Maktabi
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π49β€9
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
15. Qaytaruvchilik qila olmaydigan elementning elektron konfugratsiyasini toping
A) 1s22s1 B) 1s22s22p5 C) β¦3s23p4 D) β¦3s23p5
Javob: B
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
15. Qaytaruvchilik qila olmaydigan elementning elektron konfugratsiyasini toping
A) 1s22s1 B) 1s22s22p5 C) β¦3s23p4 D) β¦3s23p5
Javob: B
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π53π2
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
16. Peptid 30 molekula glitsin 20 molekula alanin aminokislotalaridan hosil bo`lgan. 1574 g shu peptid gidroliziga qancha mol suv ketadi?
Javob: 24,5 mol
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
16. Peptid 30 molekula glitsin 20 molekula alanin aminokislotalaridan hosil bo`lgan. 1574 g shu peptid gidroliziga qancha mol suv ketadi?
Javob: 24,5 mol
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π48π₯°11β€1
1-smena 33-43 gacha savollari o`zimda bor. Tepada tashlaganlarimdan yana qanday savollar qolib ketdi testdan?
π49π€£5β€1
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
17.Ti va Fe+3 ionidagi to`rttala kvant soni bir xil bo`lgan elektronlar soni nechta?
A)20 B)21 C)22 D)23
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15-mart 1-smena
17.Ti va Fe+3 ionidagi to`rttala kvant soni bir xil bo`lgan elektronlar soni nechta?
A)20 B)21 C)22 D)23
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π39π€£12
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
18. Mis kuporosi va FeSO4β7H2O ning 130,6 g aralashmasi suvda eritildi va BaCl2 ta`sir ettirilganda 0,5 mol oq cho`kma hosil boldi. Dastlabki aralashmadagi mis kuporosining massasini (g) aniqlang
Javob: 75 g
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
18. Mis kuporosi va FeSO4β7H2O ning 130,6 g aralashmasi suvda eritildi va BaCl2 ta`sir ettirilganda 0,5 mol oq cho`kma hosil boldi. Dastlabki aralashmadagi mis kuporosining massasini (g) aniqlang
Javob: 75 g
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π36π€£5
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
19. CuO+ NH3 = hosil bo`lgan oddiy moddalar farqi 49,2 g bo`lsa, sarflangan ammiakning hajmini (l; n.sh.) toping
Javob: 13,44 l
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
19. CuO+ NH3 = hosil bo`lgan oddiy moddalar farqi 49,2 g bo`lsa, sarflangan ammiakning hajmini (l; n.sh.) toping
Javob: 13,44 l
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π39π€£5
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
20. S atomlari moli 0,3 bo'lgan oleum eritmasiga 24 foizli NaOH va 174,2 g suv qo'shildi. Hosil bo'lgan eritmada 14,2 foiz tuz mavjud bo'lsa dastlabki oleum tarkibini toping (nisbatini).
A) 1:2 B)1:5 C)2:3 D)3:2
Javob: A
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
20. S atomlari moli 0,3 bo'lgan oleum eritmasiga 24 foizli NaOH va 174,2 g suv qo'shildi. Hosil bo'lgan eritmada 14,2 foiz tuz mavjud bo'lsa dastlabki oleum tarkibini toping (nisbatini).
A) 1:2 B)1:5 C)2:3 D)3:2
Javob: A
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π48π€£13
Ko`pchilik 1-2-smena degan bitta faylni tashlab yotibdi 43 talik. Unda yarmidan ko`pi xato yoki to`liq emas savollar. Tashlamanglar iltimos)
π41π€£33
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
21. Kumush nitratga 3,6gr temir plastinkasi botirildi( reaksiyada Fe (NO3)2 hosil bΓ²lgan ). Plastinka massasi 10 g ga yetganda jarayon to`xtatildi. Ushbu jarayonda ajralgan kumushni 3.44g aldegidga Ag2O ta`sir ettirib ham olish mumkin. Aldegidni toping ?
Javob: C5H10O
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
21. Kumush nitratga 3,6gr temir plastinkasi botirildi( reaksiyada Fe (NO3)2 hosil bΓ²lgan ). Plastinka massasi 10 g ga yetganda jarayon to`xtatildi. Ushbu jarayonda ajralgan kumushni 3.44g aldegidga Ag2O ta`sir ettirib ham olish mumkin. Aldegidni toping ?
Javob: C5H10O
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π29π₯12
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KIMYO MILLIY SERTIFIKAT
15-mart 1-smena
22. Etan va eten dan iborat 89.6 l aralashmaga KMnO4 ni kislotali muhiti ta'sir ettirildi. Reaksiya natijasida 62 gr diol olindi. Aralashmadagi etanni mol ulushini aniqlang.
Javob: 0,75
@ICC_KIMYO | Online KIMYO Maktabiπ
15-mart 1-smena
22. Etan va eten dan iborat 89.6 l aralashmaga KMnO4 ni kislotali muhiti ta'sir ettirildi. Reaksiya natijasida 62 gr diol olindi. Aralashmadagi etanni mol ulushini aniqlang.
Javob: 0,75
@ICC_KIMYO | Online KIMYO Maktabi
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π29π₯11