ĐỀ 1 - ÔN KTTX LẦN 3 - CHƯƠNG KIỀM, KIỀM THỔ, NHÔM
12th Grade
•53 Qs
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ĐỀ 1 - ÔN KTTX LẦN 3 - CHƯƠNG KIỀM, KIỀM THỔ, NHÔM
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
pham hang
Used 2+ times
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53 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng nào là phản ứng nhiệt nhôm:
A. Al + O2 → Al2O3
B. Al + HNO3 → Al(NO3)3 + NO +H2O
C. Al + Cr2O3 → Al2O3 + Cr
D. Al2O3 + C → Al + CO
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Hai kim loại đều thuộc nhóm IA trong bảng tuần hoàn là:
A. Sr, K
B. Na, K
C. Be, Al
D. Ca, Ba
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kim loại kiềm nào dưới đây được sử dụng làm tế bào quang điện?
A. Li.
B. Na.
C. K.
D. Cs.
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 1. Kali nitrat có công thức :
A. NaNO3.
B. NaHCO3.
C. KNO3.
D. NaOH.
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 1. Kim loại nào sau đây là kim loại kiềm thổ?
A. K.
B. Zn.
C. Ba.
D. Al.
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Số electron lớp ngoài cùng của các nguyên tử kim loại thuộc nhóm IIA là :
A. 4.
B. 2.
C. 1.
D. 3
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Công thức của thạch cao nung:
A. CaSO4.2H2O
B. CaSO4.H2O
C. CaSO4
D. CaCO3
A
B
C
D
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