
Nhận biết
Quiz
•
Science
•
10th Grade
•
Practice Problem
•
Easy
Hương Đồng
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Để lấy 20ml dung dịch muối ta dùng dụng cụ nào?
Ống nghiệm
Cân
2.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Ký hiệu cảnh cáo chất hoá học có tính
ăn mòn
dễ cháy
chất oxi hoá
kích thích
3.
FILL IN THE BLANK QUESTION
45 sec • 10 pts
{Điền vào dấu ...}
Để phân biệt dung dịch muối Aluminium Al (III) và Zinc Zn (II) ta sử dụng dung dịch .... làm thuốc thử
4.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Trong nước giếng khoan có chứa nhiều muối Fe2+, để nhận biết người ta dùng
dung dịch sodium hydroxide
màu sắc
dung dịch ammonia
ngọn lửa
5.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Đây là
FeCl2
CCl2
FeCl3
Cu(OH)2
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