
Chemistry Quiz
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Nguyên Lan
Used 1+ times
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45 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố hóa học nào sau đây thuộc nhóm VA?
Nitrogen
Chlorine
Carbon
Oxygen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron nguyên tử của nitrogen là
1s22s22p1
1s22s22p5
1s22s22p1
1s22s22p3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khí nào phổ biến nhất trong khí quyển Trái Đất?
Oxygen
Nitrogen
Ozone
Argon
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hoá học của diêm tiêu Chile là
Ca(NO3)2.
NH4NO3
NaNO3
NH4Cl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính chất nào sau đây của nitrogen không đúng?
Ở điều kiện thường, nitrogen là chất khí.
Nitrogen nặng hơn không khí.
Nitrogen không duy trì sự cháy và sự hô hấp.
Nitrogen tan rất ít trong nước.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vị trí của nitrogen (N) trong bảng hệ thống tuần hoàn là
ô 14, chu kì 2, nhóm IIIA
ô 14, chu kì 3, nhóm VA
ô 7, chu kì 2, nhóm VA
ô 7, chu kì 3, nhóm IIIA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các phản ứng sau, phản ứng nào nitrogen đóng vai trò chất khử?
3Mg + N2 → Mg3N2
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