Đề tự luyện KTCK1_Hóa 11_22-23
Quiz
•
Chemistry
•
11th Grade
•
Medium
Lê Thành Trung
Used 7+ times
FREE Resource
42 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là chất điện li mạnh?
Mg(OH)2.
CH3COOH.
H2S.
AgNO3.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo Arêniut, dung dịch có tính axit là
NaCl.
K2SO4.
H2SO4.
KOH.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muối nào sau đây là muối trung hòa?
NaHS.
Al(NO3).
Ca(HSO3)2
KH2PO4.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch nào sau đây có pH > 7?
H2SO4.
Ba(OH)2.
Na2SO4.
NaHSO4 .
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi bón phân này sẽ thúc đẩy nhanh quá trình tạo ra các chất đường, bột, chất xơ, chất dầu, tăng cường sức chống rét, chống sâu bệnh và chịu hạn của cây. Đó là
phân lân.
Phân đạm.
phân kali.
phân vi lượng.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần của quặng apatit là
Ca3(PO4)2.
Ca(H2PO4)2.
3Ca3(PO4)2.CaF2.
CaHPO4.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muối nào sau đây dùng để tạo độ xốp cho một số loại bánh?
(NH4)2SO4.
NH4HCO3.
NH4Cl.
NH4NO2.
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