
Đề số 1 - Hóa học
Authored by Trang Kiều
Chemistry
12th Grade
Used 3+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của este CH3COOCH3 là
Etyl axetat.
Metyl axetat.
Metyl fomat.
Etyl fomat.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sắt có số oxi hóa +2 trong hợp chất nào sau đây?
FeO.
Fe(OH)3.
Fe2(SO4)3.
Fe(NO3)3.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch chất nào sau đây không làm quỳ tím đổi màu?
Etylamin.
Axit glutamic.
Glyxin.
Lysin.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của natri sunfat là
Na2CO3.
Na2SO3.
Na2SO4.
Na2S.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây là kim loại kiềm thổ?
Ba.
K.
Al.
Na.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây điều chế được bằng phương pháp nhiệt luyện?
K.
Na.
Mg.
Fe.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức phân tử của glyxin là
C5H12NO2.
C2H5NO2.
C4H9NO2.
C3H7NO2.
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