
Hóa 2
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Easy
Thư Nguyễn
Used 9+ times
FREE Resource
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Cấu hình e lớp ngoài cùng của nguyên tử Na
2s1
3s1
3p1
2p1
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Quỳ tím vào dd K2CO3
Quỳ tím hóa đỏ
Hóa xanh
Hóa hồng
Ko đổi màu
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Na đc dùng làm chất vận chuyển lò hạt nhân do
Dẫn nhiệt tốt
Tính khử mạnh
Dễ nóng chảy
Cả 3
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nacl, Na2CO3, KOH, Kcl bao nhiêu chất tác dụng vs hcl
2
3
1
4
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Mg(NO)3 thì Mg có số Ôxi hóa là
+1
-2
+2
-1
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Phản ứng ăn mòn núi đá vôi
CaCO3 + co2 + h20 =>
Ca(oh)2 + co2 => ca(hco3)2
Ca(oh)2 + co2 => CaCO3
Ca(hco3)2=>
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Pp điều chế ko Ca
Dodd cacl2 màng năng
Ba đẩy ca ra khỏi dd cacl2
Đp Cacl2 nóng chảy
Al khử Cao nhiệt độ cao
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