
KHTN 8
Authored by Bùi Thanh
Chemistry
8th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Phát biểu nào sau đây là đúng?
Câu 1: Phát biểu nào sau đây là đúng?
A.Base tan trong nước tạo ra ion H+
B.Base tan trong nước tạo ra ion OH-
C.Base không tan trong nước còn gọi là kiềm
D.Base gồm kim loại liên kết với gốc acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Dãy gồm các base tan?
A. NaOH, Cu(OH)2
B. NaOH, Fe(OH)3
C. NaOH, Ba(OH)2
D. Fe(OH)3, Cu(OH)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Tên gọi của Zn(OH)2
A.Zinc oxide
B.Zinc (II) oxide
C.Zinc hydroxide
D.Zinc (II) hydroxide
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Base không tan là:
A. NaOH.
B. Ba(OH)2
C. KOH.
D.Fe(OH)3.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Tên gọi của Fe(OH)2
A.Iron hydroxide
B. Iron (II) hydroxide
C.Zinc hydroxide
D.Zinc (II) hydroxide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Dãy gồm các base:
A.NaOH, KOH, Cu(OH)2
B. HCl, H2SO4, HNO3
C. Na2O, K2O, CuO.
D.NaCl, K2S, HCl.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7: Dãy nào sau đây gồm các base tan
A. Fe(OH)3, Cu(OH)2
B. NaOH, Ba(OH)2
C. Cu(OH)2, Ba(OH)2
D. NaOH, Fe(OH)3
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