
tinh bột-cellulose
Authored by Hương Trương Thị Thanh
Science
9th Grade
Used 2+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Tinh bột có nhiều trong:
gỗ, gạo, ngô
gạo, bắp, khoai
khoai, sắn, sợi vải
tre, sợi gai
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
cellulose có nhiều trong:
khoai, sắn, gạo, nếp
bắp, bún, sợi gai
sợi gai, tre, nứa
nếp, tre, măng
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
tinh bột có thể tan vô hạn trong nước
đúng
sai
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
cellulose có tính chất:
màu đen, không tan trong nước
màu trắng, lỏng, tan trong nước
màu trắng, dạng sợi, không tan trong nước
dạng rắn, màu trắng, tan hoàn toàn trong nước
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dùng loại thuốc thử nào để nhận biết tinh bột
quỳ tím
dung dịch phenolthalein
dung dịch iodine
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
thủy phân tinh bột cần xúc tác
đun nóng
acid
enzim
acid, đun nóng
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
quá trình quang hợp cần:
CO2, H2O
CO2, diệp lục, ánh sáng
CO2, H2O, diệp lục, ánh sáng
ánh sáng mặt trời
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