
LUYỆN TẬP ACID
Authored by Ái Đinh
Science
8th Grade
Used 2+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Chất nào sau đây là acid?
NaOH
CaO
KCl
HCl
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Hydrochloric acid có công thức hoá học là:
HCl
HClO
HClO2
HClO3
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch chất nào sau đây là quỳ tím hóa đỏ?
Ca(OH)2
Na2SO4
H2SO4
NaOH
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Acid H2SO4 loãng tác dụng với Fe tạo thành sản phẩm:
Fe2(SO4)3 và H2
FeSO4 và H2
FeSO4 và H2O
Fe2(SO4)3 và H2O
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Công thức hóa học của acid có gốc acid (= S) và (≡ PO4) lần lượt là:
HS2; H3PO4.
H2S; H(PO4)3.
H2S; H3PO4.
HS; HPO4.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Cho các chất sau: H2SO4, HCl, NaCl, CuSO4, NaOH, Mg(OH)2. Số chất thuộc loại acid là:
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dãy dung dịch nào dưới đây làm đổi màu quỳ tím thành đỏ?
HCl, H2SO4, H3PO4, HNO3, NaCl.
HCl, H2SO4, Ba(NO3)2, K2CO3, NaOH.
Ba(OH)2, Na2SO4, H3PO4, HNO3, H2SO3.
HCl, H2SO4, H3PO4, HNO3, H2SO3.
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