Polikondensatsiya va polimerlanish reaksiyalari, sopolimerlanish reaksiyalari

6. (v15-102-33) Tabiiy polimerni ko'rsating.

A) etilen B) kraxmal

100. 
     polietilen D) novolak
     

7. (v15-118-17) Yuqori molekulyar birikmalar kelib chiqishiga ko'ra qanday guruhlarga bo'linadi?

1. 
   tabiiy, sintetik va sun’iy
   
2. 
   tabiiy va sun'iy
   
3. 
   sun'iy va polimer
   
4. 
   tabiiy, sintetik
   

8. (96-1-43) Quyidagi moddalarning qaysilan eterifikatsiya reaksiyasida qatnasha oladi?

1) metilxlorid; 2) metiletil efir;

3. 
   aminosirka kislota; 4) propanol-2.
   

A) 1 va 2 B) 1 va 3 C) 1 va 4

4. 
   2 va 3 E) 3 va 4
   

9. (96-15-105) Polietilenning polimerlanish darajasi 1000 bo'lsa molekulyar massasi nechaga teng bo'ladi?

1. 
   14000 B)16000 C) 18000
   

4. 
   20000 E)28000
   

10. (00-6-23) Organik shisha olish uchun qaysi monomer polimerlanadi?

1. 
   CH2=CHCH3
   
2. 
   CH2=C(CH3)COOCH3
   
3. 
   CH2=CHCOOH
   
4. 
   CH2=CHCOOCH3
   
5. 
   CH2=CHCH=CH2
   

11. (01-4-68) Molekulyar og'irligi 140000 ga teng bo'lgan polietilenning polimerlanish darajasini toping.

A)100 B)500 C)1000

4. 
   5000 E)50000
   

12. (01-4-70) Polivinilxloridning o'rtacha molekulyar massasi 10000 ga teng bo'lsa, uning polimerlanish darajasi qanchaga teng bo'ladi?

A) 1,6 B) 16,6 C)16

4. 
   160 E)24
   

13. (01-4-71) Polistirolning o'rtacha molekulyar massasi 1040000 ga teng bo'lsa, uning taxminiy polimerlanish darajasi qanchaga teng bo'ladi?

A) 1 B)10 C)100

4. 
   1000 E)10000
   

14. (02-6-16) Polimerlanish darajasi 240 ga teng bo'lgan polietilen molekulasining massasini (g) toping.

A)6720 B) 28

100. 
     240 D)1,12-10~¹
     

4. 
   28-10~”
   

15. (04-1-836) Polietilenning polimerlanish darajasi 100 ga teng bo'lsa, molekulyar massasi nechaga teng bo'ladi?

A)14000 B)16000 C)2800

4. 
   20000 E)28000
   

16. (v4-110-14) Polietilenning polimerlanish darajasi 400 ta teng bo'lsa, molekulyar massasi nechaga teng bo'ladi?

A)2800 6)28000

100. 
     14000 D)11200
     

4. 
   16000
   

17. (v6-108-14) Berilgan formulalardan qaysi biri polivinilxloridning struktur zvenosini aks ettiradi?

A) -CICH2CH2CI- B) -CH=CCI-

100. 
     -CH2CHCI- D) CH2=CHCI
     

18. (v6-109-14) Polistirolning monomerini ko'rsating.

A) vinilxlorid B) vinilatsetilen

100. 
     vinilbenzol D) vinilatsetat
     

chidamliligini oshirishi va ularning tannarxini arzonlashtirish maqsadida qo'llanadigan moddalar qanday nomlanadi?

A) indikatorlar B) stabilizatorlar

100. 
     to'ldiruvchilar D) plastifikatorlar
     

19. (v13-158-2) Molekulyar og'irligi 140000 ga teng bo'lgan polietilenning polimerlanish darajasini toping.

A) 500 B) 5000 C)100 D) 1000
20. (96-10-58) Ushbu moddalardan qaysilari polimerlanish reaksiyasiga kirishadi?

1) stirol; 2) propan; 3) propilen;

3. 
   1,2-dixloretan; 5) brometan; 6) etanol.
   

1. 
   1,3 B) 2, 4 C) 1, 5 D) 3, 6 E) 5, 6
   
2.