Bài 8 Acid KHTN 8
Authored by Nguyễn Hoàng
Chemistry
8th Grade
Used 32+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là acid?
HCl
NaCl
Ba(OH)2
MgSO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch acid làm cho quỳ tím chuyển sang màu nào?
Xanh
Đỏ
Tím
Vàng
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất toàn bao gồm acid là ….
HCl, NaOH
CaO, H2SO4
H3PO4, HNO3, HCl
NaCl, KOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nitric acid là tên gọi của acid nào sau đây?
H3PO4
HNO3
HNO2
H2SO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào dưới đây có khả năng làm cho quỳ tím chuyển sang màu đỏ?
HNO3
NaOH
Ca(OH)2
NaCl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các kim loại tác dụng được với dung dịch H2SO4 loãng là ….
Fe, Cu, Mg
Zn, Fe, Cu
Zn, Fe, Al
Fe, Zn, Ag
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điền vào chỗ trống: "Acid là những ... trong phân tử có nguyên tử ... liên kết với gốc acid. Khi tan trong nước, acid tạo ra ion ..."
đơn chất, hydrogen, OH−
hợp chất, hydroxide, H+
đơn chất, hydroxide, OH−
hợp chất, hydrogen, H+
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