BÀI TẬP HÓA 9-CHỦ ĐỀ OXIT
Quiz
•
Chemistry
•
9th Grade
•
Medium
Thủy Trần
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Canxi oxit là
axit.
bazơ.
oxit axit.
oxit bazơ.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lưu huỳnh đioxit (SO2) là
oxit trung tính.
oxit axit.
oxit lưỡng tính.
oxit bazơ.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxit axit không thể tác dụng được với
oxit bazơ.
bazơ.
nước.
axit.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các oxit: SO2, Na2O, CaO, CuO. Oxit không tác dụng được với nước là
SO2.
Na2O.
CuO.
CaO.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Có thể phân biệt 2 chất rắn CaO và P2O5 bằng cách hòa tan từng chất vào nước rồi thử dung dịch tạo ra với
dung dịch HCl.
kim loại Cu.
dung dịch NaOH.
quỳ tím.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SO2 được tạo thành từ cặp chất nào sau đây?
K2SO3 và HCl.
K2SO3 và NaCl.
K2SO4 và HCl.
Na2SO3 và NaOH.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxit nào vừa tan được trong nước vừa dùng hút ẩm?
SO2.
CaO.
Al2O3.
Na2O.
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