
Ôn tập đầu năm Hóa 10 phần 1
Authored by Trịnh Hảo
Chemistry
8th - 10th Grade
Used 10+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Công thức tính khối lượng của một chất là
m = M/n.
m = n/M.
m = n.M.
m = D/V.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Định luật bảo toàn khối lượng ứng với phương trình:
A + B → C + D
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Công thức tính thể tích của chất khí (ở đktc) là
V = n.22,4.
V = n/22,4.
V = 22,4/n.
V = n/ CM.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Công thức tính nồng độ mol nào sau đây đúng?
CM = n/V.
CM = V/n.
CM = n.22,4.
CM = V.n.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phân tử khối của H2O là
M = 12 g/mol.
M = 18 g/mol.
M = 16 g/mol.
M= 32 g/mol.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dãy gồm các chất là oxit:
Na2O, HCl.
P2O5, NaOH.
CaO, Fe2O3.
SO3, H2SO4.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dãy gồm các chất là bazơ:
KOH, HNO3.
NaOH, KOH.
KOH, Na2O.
KOH, CaO.
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