
Sở GDĐT Vĩnh Phúc
Authored by Thành Đạt Nguyễn
Chemistry
12th Grade
Used 4+ times

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41 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không tác dụng với dung dịch Na2CO3?
FeCl2.
HCl.
Ca(OH)2.
KCl.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch nào sau đây có pH < 7?
KOH.
HCl.
K2SO4.
NaCl.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tan hết trong dung dịch NaOH loãng, dư?
FeO.
Al2O3.
Fe2O3.
MgO.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ngâm 8,8 gam hỗn hợp gồm Mg và Cu trong dung dịch HCl loãng, dư thu được 0,2 mol H2, dung dung X và m gam chất rắn Y. Giá trị của m là
4,8.
3,2.
4,0.
6,4.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Poliacrilonitrin được tổng hợp từ các chất nào sau đây?
CH2=CH2.
CH2=CHCl.
CH2=CH-CN.
CH2=CHCOOCH3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không có phản ứng thủy phân?
Saccarozơ.
Xenlulozơ.
Amilozơ.
Glucozơ.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este nào sau đây có 3 nguyên tử cacbon trong phân tử?
Etyl axetat.
Etyl propionat.
Metyl axetat.
Propyl fomat.
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