20-21 Hóa 10 cuối kì 2
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
đức nguyễn
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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở điều kiện thường, brom là chất
rắn màu đen tím.
khí màu lục nhạt.
khí màu vàng lục.
lỏng màu đỏ nâu.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất NaCl có tên gọi là
natri clorua.
kali clorua.
natri hipoclorit.
clorua vôi.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đi từ flo đến iot độ âm điện
tăng dần.
giảm dần.
không đổi.
tăng rồi giảm.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxi thuộc nhóm VIA trong bảng tuần hoàn. Số electron lớp ngoài cùng của nguyên tử oxi là
4.
5.
6.
7.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở điều kiện thường, ozon không tác dụng được với kim loại nào sau đây?
Ag.
Cu.
Au.
Zn.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hiđro sunfua có công thức là
H2S.
SO3.
SO2.
H2SO4.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số nguyên tử oxi trong phân tử lưu huỳnh đioxit là
1.
2.
3.
4.
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