
KHTN 8 Base - Acid

Quiz
•
Chemistry
•
8th Grade
•
Hard
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33 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Cho các dung dịch sau: (I) HCl, (II) CaCl2, (III) H2SO4, (IV) HNO3. Dung dịch nào làm quỳ tím hóa đỏ:
I và II
I và IV
II, III và IV
I, III và IV
2.
MULTIPLE SELECT QUESTION
30 sec • 5 pts
Có phản ứng sau:
.............. + H2SO4 ----> H2 + .............
Để phản ứng trên xảy ra được thì em phải chọn chất nào trong các chất sau:
BaO
Ba
Ba(NO3)2
Ba(NO3)2
3.
MULTIPLE SELECT QUESTION
30 sec • 5 pts
Cho các cặp chất sau, cặp chất nào tác dụng được với nhau:
HCl với Cu
H2SO4 với SO2
HCl với Zn
H2SO4 với CO2
4.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
5.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
6.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Dung dịch axit làm đổi màu chất chỉ thị như thể nào trong các khả năng sau đây?
Làm quý tím hóa đỏ
Làm quỳ tím hóa xanh
Không làm đổi màu quỳ tím
Làm quỳ tím mất màu
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