Hóa học
Quiz
•
Chemistry
•
12th Grade
•
Easy
mạnh nguyễn
Used 140+ times
FREE Resource
43 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điều khẳng định nào sau đây là sai?
Trong các phản ứng hóa học, kim loại Al chỉ đóng vai trò là chất khử.
Kim loại Al có tính dẫn điện tốt hơn kim loại Cu.
Al(OH)3 phản ứng được với dung dịch HCl và dung dịch KOH.
Kim loại Al tan được trong dung dịch H2SO4 loãng, nguội.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố hóa học nào sau đây thuộc nhóm kim loại kiềm thổ?
Bari.
Natri.
Kali.
Nhôm.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các hợp chất, kim loại nhóm IA có số oxi hóa là
+1
+4
+2
+3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không có tính lưỡng tính?
(NH4)2CO3.
Al(OH)3.
Na2CO3.
NaHCO3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion nào gây nên tính cứng của nước?
Ca2+, Na+
Ba2+, Ca2+
Ca2+, Mg2+
Mg2+, Na+
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất phản ứng được với dung dịch NaOH là
CuO.
KOH.
MgO.
Al2O3.
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