
KIỂM TRA HÓA 8
Quiz
•
Science
•
1st Grade
•
Practice Problem
•
Medium
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10 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Tên nguyên tố C
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Tên nguyên tố Mg
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nguyên tố Canxi có kí hiệu hóa học là:
K
C
Ca
Ba
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dãy các chất là đơn chất phi kim:
Na, O2, P
N2, O2, P
Na, Ca, Al
N2, O2, Al
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho công thức hóa học của một số chất như sau: Flo (F2), Natri clorua (NaCl), Canxi oxit (CaO),
kim loại đồng (Cu), bạc nitrat (AgNO3), Magie hidroxit (Mg(OH)2). Số đơn chất và hợp chất là
1 đơn chất, 5 hợp chất
5 đơn chất, 1 hợp chất.
2 đơn chất, 4 hợp chất
4 đơn chất, 2 hợp chất.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dãy các đơn chất là kim loại
Na, Mg, Al
C, S, P
Fe, Cu, O2
S, K, Ca
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
NaOH có tên là
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