LUYỆN TẬP NHÓM HALOGEN
Quiz
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Mathematics
•
10th Grade
•
Practice Problem
•
Easy
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Các nguyên tố halogen thuộc nhóm nào trong bảng tuần hoàn?
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Số electron ở lớp ngoài cùng của mỗi nguyên tử nguyên tố halogen là
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nguyên tố halogen dùng làm gia vị, cần thiết cho tuyến giáp và phòng ngừa khuyết tật trí tuệ là
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Liên kết trong phân tử đơn chất halogen là
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong nhóm halogen, từ fluorine đến iodine, bán kính nguyên tử biến đổi như thế nào?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quá trình sản xuất khí chlorine trong công nghiệp hiện nay dựa trên phản ứng nào sau đây?
MnO2 + 4HCl ->MnCl2 + Cl2 + 2H2O
Cl2 + 2NaBr -> 2NaCl + Br2
2NaCl + 2H2O ->2NaOH + Cl2 + H2 (đpdd, có màng ngăn)
2NaOH + Cl2 -> NaCl + NaClO + H2O
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong dãy đơn chất từ F2 đến I2, chất có tính oxi hoá mạnh nhất là
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