
hoá 1
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1st Grade
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Practice Problem
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Easy
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polymer nào sau đây thuộc loạI polymer thiên nhiên
PolyacryIonitrile
Polyethylene
Poly(vinyl chloride
Cellulose
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polymer có cấu trúc mạng không gian ( mạng lưới) là
PE
Amylopectin
PVC
Cao su lưu hoá
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polymer nào sau đây có cấu trúc mạch phân nhánh?
Amylose
Cellulose
Amylopectin
Polyethylene
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polymer nào sau đây thuộc lại polymer thiên nhiên
Polystyrene
Polypropylene
Tinh bột
Polythylene
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các polymer: poly(vinyl chloride), cellulose , polycaproamide, polystyrene, cellulose triacetate, nylon-6,6. Số polymer tổng hợp là
5
2
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quá trình cộng hợp liên tiếp nhiều phân tử nhỏ giống nhau hoặc tương tự nhau (monomer) tạo thành phân tử lớn (polymer) được gọi là phản ứng
Thủy phân
Trùng hợp
Trùng ngưng
Xà phòng hoá
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất không có khả năng tham gia phản ứng trùng hợp là
Styrene
Toluene
Propene
Isoprene
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