5. Tarkibida selluloza bo’lgan moddalarni ko’rsating

5. Tarkibida selluloza bo’lgan moddalarni ko’rsating.

A) paxta tolasi, yog’och, o’simlik poyasi B) olma mevasi, shakarqamish, qand lavlagi

C) uzum, lavlagi, o’rik D) sut, qatiq, pishloq

1.Molekulasida azot atomi bor bo’lgan organik moddalar qanday moddalr deyiladi?

A) oksobirikmalar B) nitrobirikmalar C) uglevod D) fenol

2. CH₃-CH(CH₃)-CH(C₂H₅)-CH(NO₂)-CH₃ Ushbu moddani nomlang.

A) 3-etil 4-metil 2-nitropentan B) 3-metil 4-etil 1-nitropentan

C) 3-metil 4-etil 2-nitropentan D) 3-etil 4-metil 1-nitropentan

3. Metilaminning formulasini ko’rsating.

A) CH₃-CH₂-NH₂ B) CH₃-CH₂-CH₂-NH₂ C) CH₃-NH₂ D) CH₃-NO₂

4. Reaksiyani davom ettiring. CH₄ + HNO₃ =

A) C₂H₅-NH₂ + H₂O B) C₂H₅-NO₂ + H₂ C) CH₃-NO₂ + H₂O D) CH₃-NH₂ + H₂O

5. 45 g etilamin olish uchun qancha hajmdagi (n.sh) vodorod gazi kerak bo’ladi?

A) 22,4 l B) 11,2 l C) 67,2 l D) 33,6 l

1.Ikkilamchi aminni ko’rsating.

A) CH₃-NH₂ B) CH₃-NH-C₂H₅ C) CH₃-N(CH₃)-C₂H₅

2. Quyidagi moddani nomlang. CH₃-CH(NH₂)-CH(CH₃)-CH₃

A) 1-amino 4-metilpropan B) 1-amino 4-metilpentan C) 2-amino 3-dietilbutan

D) 2-amino 3-etilbutan

3. Reaksiyani davom ettiring. C₂H₅NO₂ + 3H₂ =

A) C₂H₅-NH₂ +2 H₂O B) CH₃-NH₂ + 2H₂O C) C₂H₅-OH + H₂O D) C₂H₅-C(O)-H + H₂O

4. Anilinning formulasini ko’rsating.

A) C₆H₅NO₂ B) C₆H₅OH C) C₆H₅NH₂ D) C₆H₅COOH

5. Trifenilaminning molyar massasini toping.

A) 240 g B) 2000 g C) 145 g D) 245 g

1.Aminokislotalarda qanday funksional guruh bor?

A) –NO₂, -COOH B) –NH₂, -COOH C) –OH, NH₂ D) –COH, -NO₂

2. Quyidagi formulani nomlang. CH₃-CH(NH₂)-C(O)-OH

A) fenilalanin B) anilin C) alanin D) lizin

3. Glutamin kislotasining formulasini ko’rsating.

A) HO-C(O)-CH₂-CH₂-CH(NH₂)-C(O)-OH B) HO-CH₂-CH(NH₂)-C(O)-OH

C) HS-CH₂-CH(NH₂)-C(O)-OH D) CH₃-CH(NH₂)-C(O)-OH

4. Aminokislotalar asosan qanday olinadi?

A) aminlarga karbon kislotalar ta’sir etib B) oqsillarni gidrolizlab C) kraxmalni gidrolizlab

D) nitrobirikmalarga ishqor ta’sir ettirib

5. Gistionin qanday kasallikni davolashda ishlatiladi?

A) asab kasalliklarini davolashda B) yurak kasalliklarida C) shamollashda

1.YMB kelib chiqishi bo’yicha nechaga bo’linadi?

A) 2 B) 3 C) 4 D) 5

2. YMB qanday bog’lar orqali bog’langan?

A) kovalent B) ion C) donor-akseptor

3. Qaysi yuqori molekular birikma polikondensatsiya reaksiya natijasida olinishini toping.

A) butadiyen kauchuk B) fenolformaldegidsmola C) polipropilen D) polivinilxlorid