
CÂU HỎI ÔN TẬP CHƯƠNG II
Quiz
•
Chemistry
•
8th Grade
•
Medium
hằng dương
Used 2+ times
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45 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ứng dụng của acetic acid là:
Sản xuất thuốc diệt côn trùng
Sản xuất sơn
Sản xuất phân bón
Sản xuất ắc quy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điền vào chỗ trống: "Base là những ... trong phân tử có nguyên tử kim loại liên kết với nhóm ... . Khi tan trong nước, base tạo ra ion ..."
Đơn chất, hydrogen, OH−
Hợp chất, hydroxide, OH−
Đơn chất, hydroxide, H+
Hợp chất, hydrogen, H+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch nào sau đây có pH < 7
NaOH.
Ba(OH)2
NaCl.
H2SO4.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Những hợp chất SO3, SO2, CO2, P2O5 thuộc loại
oxide acid.
oxide trung tính.
oxide base.
oxide lưỡng tính.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu pH<7 thì dung dịch có môi trường:
Acid
Base
Muối
Trung tính
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu pH>7 thì dung dịch có môi trường:
Muối
Base
Acid
Trung tính
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hydrochloric acid có công thức hoá học là:
A. HCl
B. HClO
C. HClO2
D. HClO3
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