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Bài tập tuần 3
Quiz
•
Chemistry
•
Professional Development
•
Practice Problem
•
Easy
Thi Nguyen
Used 3+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo Bronsted và Lowry thì chất nào dưới đây là acid?
NH4Cl
NaOH
NH3
C2H5OH
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo Bronsted và Lowry thì chất nào dưới đây là base?
K3PO4
CH3COOH
NaCl
C2H5OH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Base liên hợp của CH3COOH là
NaOH
H2O
CH3COO-
NH3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acid liên hợp của NH3 là
HCl
H2O
CH3COOH
NH4+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nồng độ phần trăm C% (w/w) được biểu thị:
số g chất tan/ 100 g dung dịch
số mg chất tan/ 100 ml dung dịch
số lít chất tan / 100 g dung dịch
số ml chất tan/ 100 g dung dịch
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa phân tích đóng vai trò quan trọng của lĩnh vực
Y dược học
Địa chất học
Khoa học vật liệu
Cả ba lĩnh vực
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaH2PO4 trong nước thể hiện tính
Acid
Base
Trung tính
Lưỡng tính
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