Trân - Đề cương ôn tập CHK 2 - KHTN 9
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Medium
Trung lê
Used 1+ times
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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bệnh nhân phải tiếp đường (tiêm hoặc truyền dung dịch đường vào tĩnh mạch), đó là loại đường nào trong số các loại đường sau:
saccharose.
đường fructose.
glucose.
đường hóa học.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong vỏ Trái Đất, hàm lượng nguyên tố nào là phổ biến nhất?
Aluminium.
Iron.
Oxygen.
siliconon.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để phân biệt tinh bột và cellulose ta dùng
quỳ tím.
NaCl.
iodine.
glucose.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polymer nào sau đây thuộc loại polymer tổng hợp?
Cellulose.
Tinh bột.
Tơ tăm.
Polyethylene, PVC, PP.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tài nguyên thường được sử dụng làm vật liệu cho ngành xây dựng là
khí thiên nhiên.
dầu mỏ.
than đá.
cát, đá.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Monomer nào sau đây tham gia phản ứng trùng hợp để tạo ra PE?
Acetylene.
Methane.
Vinyl chloride.
Ethylene.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Từ cát thạch anh sản xuất ra
xi măng.
gạch ngói, đồ gốm.
vôi sống.
thủy tinh.
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