
ÔN HÓA HK1
Quiz
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Easy
05 Bách
Used 1+ times
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39 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Câu 1. Trong tự nhiên, nitrogen tồn tại ở dạng nào ?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Câu 2. Giá trị pH của dung dịch NaOH 0,001M là?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Câu 4. Dãy chất nào sau đây, trong nước đều là chất điện li mạnh ?
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Câu 5. Cho cân bằng hoá học: Fe2O3(s) + 3CO(g) ⇌Fe(s) + 3CO2(g) _x0001_ Cân bằng không bị chuyển dịch khi
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Câu 6. Các tính chất hoá học của HNO3 là
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Câu 7. Các dung dịch NaCl, NaOH, NH3, Ba(OH)2 có cùng nồng độ mol, dung dịch có pH lớn nhất là
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