

Mg phản ứng với O2
Interactive Video
•
Chemistry
•
9th Grade
•
Hard
hieu le
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thí nghiệm này nghiên cứu phản ứng của chất nào với khí oxygen (oxi)?
Iron(sắt)
Copper (đồng)
Magnesium
ZinC (kẽm)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để đốt nóng magnesium, người ta sử dụng dụng cụ nào?
Đèn cồn
Bếp ga
Bật lửa
Que diêm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi magnesium được đốt nóng trong không khí, hiện tượng quan sát được là gì?
Magie nóng chảy
Magie cháy với ngọn lửa sáng chói
Magie chuyển sang màu đen
Magie bốc khói trắng
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi magnesium đang cháy được đưa vào bình chứa khí oxi, hiện tượng nào xảy ra?
Ngọn lửa tắt
Ngọn lửa cháy yếu hơn
Ngọn lửa cháy sáng hơn và tạo ra chất rắn màu trắng
Không có hiện tượng gì
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sản phẩm tạo thành khi magnesium phản ứng với oxygen có công thức hóa học là gì?
MgCO3
MgO
Mg(OH)2
MgCl2
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