Polivinyl clorua có ct là

chương 4

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Linhh Nguyễn
Used 18+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(-ch2-chcl-)2
(-ch2-ch2-)n
(-ch2-chbr-)n
(-ch2-chf-)n
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất không có kn tham gia pư trùng hợp là
Stiren
Isopren
Propen
Toluen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qtrinh nhiều phân tử nhỏ (mônme) kết hợ vs nhau thành phân tử lớn (polime) đồng thời giải phóng nhg ptu nc gọi là pư
Nhiệt phân
Trùng ngưng
Trùng hợp
Trao đổi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của polime có ct (-ch2-ch2-)n là
Polivinyl clorua
Polietilen
Polimetyl metacrylat
Polistiren
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gốm các chất đc dubgf để th cao su buna-s là
Ch2=c(ch3)-ch=ch2,c6h5ch=ch2
Ch2=ch-ch=ch2,c6h5ch=ch2
Ch2=ch-ch=ch2, lư huỳnh
Ch2=ch-ch=ch2,ch3-ch=ch2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tơ đc sx từ xelulozo là
Tơ tằm
Tơ capron
Tơ nilon-6,6
Tơ visco
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho sơ đồ chuyển hoá glucozo-x-y- cao su buna. Hai chất x, y ll là
Ch3ch2oh và ch3cho
Ch3ch2oh và ch2=ch2
Ch2ch2oh và ch3-ch=ch-ch3
Ch3ch2oh và ch2=ch-ch=ch2
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