
TN ĐỀ CƯƠNG HÓA GK1
Authored by Trâm Mai Phương
Chemistry
11th Grade
Used 2+ times

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49 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khí nào phổ biến nhất trong khí quyển Trái Đất?
Oxygen
Nitrogen
Ozone
Argon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hoá học của diêm tiêu Chile là
Ca(NO3)2
NH4NO3
NH4Cl
NaNO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vị trí (chu kì, nhóm) của nguyên tố nitrogen trong bảng tuần hoàn là
chu kì 2, nhóm VA
chu kì 3, nhóm VA
chu kì 2, nhóm VIA
chu kì 3, nhóm IVA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong tự nhiên, nguyên tố nitrogen tồn tại trong hợp chất hữu cơ nào sau đây?
Tinh bột
Cellulose
Protein
Glucose
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hoá thấp nhất và cao nhất của nguyên tử nitrogen lần lượt là
0 và +5
-3 và 0
-3 và +5
-2 và +4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong phản ứng tổng hợp ammonia từ nitrogen và hydrogen, nitrogen đóng vai trò là
chất khử
chất oxi hoá
acid
base
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong những cơn mưa dông kèm sấm sét, nitrogen kết hợp trực tiếp với oxygen tạo thành
NO
N2O
NH3
NO2
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