
K12 -2023 ĐỀ LUYỆN 7 ĐIỂM SỐ 09
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Easy
Hồng Vũ
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đồng phân este của C3H6O2 là
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
CT phân tử tổng quát của chất béo no là
CnH2n-4O6.
CnH2nO6.
CnH2n-6O6.
CnH2n-2O6.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CT hóa học của sắt (III) clorua là ?
Fe2(SO4)3.
FeSO4.
FeCl3.
FeCl2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CT phân tử của isopren là
C5H8.
C5H12.
C5H10.
C3H8.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại Fe pư với lượng dư dd nào sau đây chỉ thu được muối sắt (II) ?
AgNO3.
H2SO4 đặc nóng.
Cu(NO3)2.
HNO3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại không tan trong dd NaOH là
Al.
Na.
Mg.
Zn.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào dưới đây thuộc cacbohidrat?
Tristearin.
Polietilen.
Anbumin.
Glucozơ.
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