HÓA 8-HKII
Quiz
•
Chemistry
•
7th Grade
•
Medium
Tlamm (ltee)
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
. Muốn tăng cường sức chống bệnh, chống rét và chịu hạn cho cây người ta dùng phân bón nào?
Phân vi lượng.
. Phân lân.
. Phân đạm.
.Phân kali.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
. Hợp chất Na2SO4 có tên gọi là
.
A. sodium sunfite.
B. sodium sunfuric.
C. sunfate sodium.
. D. sodium sulfate.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
. Phân urea thuộc lọai phân nào?
A. Phân lân
B. Phân kali
. C. Phân đạm
D. Phân vi lượng
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong số các muối sau đây, muối nào là muối không tan trong nước?
A. BaSO4
B.MgCl2
.
C. NaCl
D. KNO3
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch chất nào sau đây làm quỳ tím hóa xanh?
A. HCl.
BNa2SO4.
C. NaCl
D.NaOH
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong số các base sau đây, base nào là base tan trong nước?
A. Fe(OH)2
B. NaOH
C. Cu(OH)2
D. Fe(OH)3
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Phân lân cung cấp nguyên tố nào cho cây trồng?
A.
P(Phosphorus).
B. K(Potassium).
C. Fe(Iron).
D. N (Nitrogen).
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