
Kiểm Tra Chất Lượng Hóa 10
Authored by phu vo
Chemistry
9th Grade
Used 1+ times

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42 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Cho các chất : S , SO2 , H2S , H2SO4 . Có mấy chất trong số 4 chất đã cho vừa có tính oxi hóa , vừa có tính khử ?
1
4
2
3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 11,2g Sắt phản ứng hết với dd H2SO4 đặc , nóng . Tính thể tích SO2 thu được (ĐKC) ?
8,96 l
67,2 l
6,72 l
89,6 l
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính oxi hóa của các halogen xếp theo thứ tự tăng dần là :
I , Br , Cl , F
F , Cl , I , Br
F , I , Br , Cl
F , Cl , Br , I
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cần bao nhiêu gam Clo đủ để tác dụng với kim lọai nhôm tạo ra 26,7g AlCl3 ?
12,3g
13,2g
21,3g
23,1g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khí CO2 có lẫn tạp chất là khí SO2 . Để lọai bỏ tạp chất thì cần sục hỗn hợp khí vào dung dịch nào sau đây ?
dung dịch nước Brom dư
Dung dịch NaOH dư
Dung dịch HCl dư
Dung dịch Ba(OH)2 dư
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 15,8g KMnO4 tác dụng hết với dd HCl đặc . Thể tích khí Clo (ĐKC) thu được là phương án nào sau đây ?
0,56 l
5,6 l
2,8 l
0,28 l
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Với số mol lấy bằng nhau , PTHH nào sau đây điều chế được lượng oxi nhiều hơn ?
2KNO3 ----> 2KNO2 + O2
2KMnO4 ----> K2MnO4 + MnO2 + O2
2HgO ----> 2Hg + O2
2KClO3 ---> 2KCl + 3O2
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