ÔN KHTN8 HÓA TRẮC NGHIỆM Y2425

Quiz
•
Science
•
8th Grade
•
Easy
Anh Ngọc
Used 11+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các chất sau: CuSO4, HCl, NaCl, H2SO4, NaOH, Mg(OH)2. Số chất thuộc loại acid là:
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các chất nào sau đây tác dụng với dung dịch sulfuric acid ?
Cu, Fe, Ag
Cu, Mg, Zn
Mg, Zn, Al
Hg, Cu, Fe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 28 Iron tác dụng với hydrochloric acid dư, sau phản ứng thể tích khí H2 thu được (ở đkc):
4,958 lít.
12,395 lít.
6,1975 lít.
2,479 lít.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Base làm chất nào từ không màu chuyển thành màu hồng?
Quỳ tím
Phenolphthalein
Tinh bột
Nước
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Base nào là kiềm?
Ba(OH)2
Cu(OH)2
Mg(OH)2
Fe(OH)2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hòa tam m (gam) kim loại Magnesium trong dung dịch chứa hydrochloric acid, sau phản ứng thu được 4,958 lít H2 (đkc). Giá trị của m là:
8 gam
4,8 gam
7,2 gam
12 gam
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa chất được sử dụng trong công nghiệp để sản xuất giấy, nhôm, chất tẩy rửa, ...
Ca(OH)2
Ba(OH)2
KOH
NaOH
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