Acid
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Nhung Hồng
FREE Resource
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acid là những chất làm cho quỳ tím chuyển sang màu nào trong số các màu sau đây?
xanh
đỏ
tím
vàng
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Điền vào chỗ trống: "Acid là những ... trong phân tử có nguyên tử ... liên kết với gốc acid. Khi tan trong nước, acid tạo ra ion ..."
Đơn chất, hydrogen, OH−
Hợp chất, hydroxide, H+
Đơn chất, hydroxide, OH−
Hợp chất, hydrogen, H+
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Acid có trong dạ dày của người và động vật giúp tiêu hóa thức ăn là:
Sulfuric acid
Acetic acid
Hydrochloric acid
Acid stearic
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Acetic acid là một acid hữu cơ có trong giấm ăn với nồng độ khoảng:
7%
4%
8%
6%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của Acetic acid là:
CH2COOH2
HCl
CH3COOH
H2SO4
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