
ôn tập đơn chất HAlogen
Authored by Vũ Hiệp
Chemistry
9th - 12th Grade
Used 8+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng hóa học nào dưới đây viết sai?
H2 + Cl2 →2HCl.
Fe + Cl2 →FeCl2.
2Al + 3Cl2 → 2AlCl3.
Cl2 + H2O → HCl + HClO.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 92: Tính chất hóa học đặc trưng của các đơn chất halogen là
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 93: Ở điều kiện thường, halogen tồn tại ở thể rắn, có màu đen tím là
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 95: Số oxi hoá cao nhất mà nguyên tử chlorine thể hiện được trong các hợp chất là
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 96: Các nguyên tố halogen thuộc nhóm nào trong bảng tuần hoàn?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 99: Halogen nào sau đây được dùng để khử trùng nước sinh hoạt?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 101: Trong dãy halogen, nguyên tử có độ âm điện nhỏ nhất là
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