
Bài Tập Hóa Học
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Quy Nguyen
FREE Resource
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22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải pháp nào được sử dụng để chuẩn độ HCl?
K2SO3
NaOH
NaCl
NaNO3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong số các dung dịch 0.1M dưới đây, dung dịch nào có nồng độ H+ ion cao nhất?
KCl
HCl
NaOH
NaHCO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải pháp nào sau đây (khoảng 0.1M) có giá trị pH lớn hơn 7?
NaCl
HCl
NaHSO4
NaOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muối nào được sử dụng để điều trị tình trạng thừa axit trong dạ dày?
KCl
NaCl
NaHCO3
NaNO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào được sử dụng để cải thiện đất bị ô nhiễm với độ pH khoảng 4.5 đến 5?
thạch cao
đá vôi
vôi sống
muối ăn
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Màu gì được quan sát khi thêm vài giọt dung dịch methyl orange vào 0.1M H2SO4?
đỏ
cam
vàng-cam
hồng
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong dạ dày của một bệnh nhân, pH được đo là 3. Nồng độ ion H+ trong dạ dày của bệnh nhân là bao nhiêu?
10^-3 mol L^-1
0.03 mol L^-1
3 mol L^-1
10^3 mol L^-1
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