
HOA BAI 12
Authored by Vinh Nguyễn
Chemistry
12th Grade

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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
công thức của phân urê là
(NH4)2CO3
(NH2)2CO3
(NH2)2CO
NH2CO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
thành phần chính của supephotphat kép là
Ca(H2PO4)2, CaSO4 ,2H2O
Ca3(PO4)2, Cả(H2PO4)2
Ca(H2PO4)2 H3(PO4)
Ca(H2PO4)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
super phosphat đơn gồm hai muối
Ca(H2PO4)2, CaSO4
Ca3(PO4)2, CaHPO4
CA(H2PO4)2, Ca3(PO4)2
Ca2HPO4 CaSO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
độ dinh dưỡng của phân lân được đánh giá bằng tỉ lệ phần trăm
photpho
P2O5
K2O
KO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
phân kali được đánh giá bằng phần trăm hàm lượng
K
P2O5
K2O
KO2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
phân đạm cung cấp nitơ cho cây dưới dạng
NH4+
N2O5
NH3
NO2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
loại phân nào thu được khí nung chảy qua quặng Apatit với đá xà vàng và than cốc
phân supephotphat
phân phức hợp
phân lân nung chảy
phân Apatit
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