
Hóa 12
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Medium
Nguyen Thi Lam Hong
Used 13+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phát biểu nào dưới đây đúng ?
Nhôm là kim loại lưỡng tính
Al(OH)3 là một bazơ lưỡng tính.
Al2O3 là oxit trung tính.
Al(OH)3 là một hidroxit lưỡng tính.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
X là kim loại nhẹ, màu trắng bạc, rất dẻo, nóng chảy ở nhiệt độ không cao lắm. X là :
Na
Ca
Al
Fe
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nguyên tử của nguyên tố Al có cấu hình electron: 1s22s22p63s23p1. Số electron thuộc lớp ngoài cùng của nguyên tử Al là
2
1
3
4
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nhôm thuộc nhóm nào trong bảng tuần hoàn?
IIA
IA
IIIA
IVA
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ở nhiệt độ thường, kim loại X không tan trong nước nhưng tan được trong dung dịch kiềm. Kim loại X là:
Mg
Al
Na
Ca
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
5
4
9
11
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chỉ ra đâu là phản ứng nhiệt nhôm :
2Al + 2NaOH + 2H2O → 2NaAlO2 + 3H2
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