
Nhóm VIIA- Đúng Sai
Quiz
•
World Languages
•
10th Grade
•
Practice Problem
•
Hard
Đặng Lê Kim Phụng
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Silver brominen là chất nhạy với ánh sáng, dùng để tráng phim ảnh, phụ gia chống ăn mòn cho xăng.
Đúng
Sai
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hỗn hợp ethanol và chlorine là chất sát trùng phổ biến.
Đúng
Sai
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
các ion halide thể hiện tính oxi hoá trong phản ứng oxi hoá khử.
Đúng
Sai
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đúng
Sai
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất dùng để loại bỏ gỉ thép là HF.
Đúng
Sai
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong dịch vị dạ dày, khi HCl có nồng độ nhỏ hơn 10-3 M gây ra bệnh ợ chua.
Đúng
Sai
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nồng độ nước muối sinh lý. 0,9% có nghĩa là có 0,9g muối trong 100g dung dịch NaCl.
Đúng
Sai
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