
hóa cô tựu
Authored by Lê Trân
Chemistry
12th Grade
Used 1+ times

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47 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1 : Chất nào sau đây đóng vai trò là chất khử trong pin Zn-Cu?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Khi nhúng thanh kim loại (M) vào dung dịch muối của nó (Mn+), tạo thành
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Thế điện cực chuẩn là đại lượng đặc trưng về
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Kí hiệu cặp oxi hóa - khử nào đúng?
A. Fe2⁺/Fe.
B. Fe²⁺/Fe3⁺.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Cặp chất nào sau đây tham gia phản ứng trong pin điện hóa Zn-Cu?
A. Zn2+ + Cu.
B. Zn2+ + Cu2+.
C. Cu2+ + Zn.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Pin Galvani gồm 2 điện cực có thế điện cực khác nhau, thường được ghép với nhau qua
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7: Ion nào sau đây có tính oxi hóa mạnh nhất?
A. Al3+.
B. Mg2+.
C. Ag+.
D. Na+.
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