
ÔN TẬP CUỐI KỲ I
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Easy
Điệp Trần Thị Hồng
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60 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 1: Cân bằng hóa học liên quan đến loại phản ứng
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 2: Sự phá vỡ cân bằng cũ để chuyển sang một cân bằng mới do các yếu tố bên ngoài tác động được gọi là
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 3: Công thức tính giá trị pH của một dung dịch là
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 4: Theo thuyết Bronsted – Lowry về acid – base, chất nào sau đây là acid?
A. NH3.
D. KNO3.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 5: Trong khí quyển, nguyên tố nitrogen tồn tại chủ yếu dưới dạng chất nào sau đây?
A. N2.
B. NO2.
D. NH3.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 6: Liên kết N–H trong phân tử hợp chất dưới đây là liên kết gì?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 7: Số liên kết cho – nhận trong phân tử HNO3 là
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