
Ôn chương 2
Quiz
•
Chemistry
•
8th Grade
•
Hard
Video STEM
Used 1+ times
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tử acid gồm có:
Một hay nhiều nguyên tử phi kim liên kết với gốc acid.
Một hay nhiều nguyên tử hydrogen liên kết với gốc acid.
Một hay nhiều nguyên tử kim loại liên kết với nhóm hydroxide (OH).
Một hay nhiều nguyên tử kim loại liên kết với một hay nhiều gốc acid.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hoá học của acid có trong dịch vị dạ dày là
CH3COOH.
H2SO4.
HNO3.
HCl.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là acid ?
NaOH.
CaO.
KHCO3.
H2SO4.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch nào sau đây làm quỳ tím đổi từ màu tím sang màu đỏ ?
HNO3.
NaOH.
Ca(OH)2.
NaCl.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng với hydrochloric acid sinh ra khí H2 ?
Mg(OH)2.
FeO.
CaCO3.
Fe.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là base ?
NaOH.
HCl.
NaCl.
H2SO4.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong số các base sau đây, base nào là base tan trong nước ?
Mg(OH)2.
KOH.
Cu(OH)2.
Fe(OH)3.
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