
BÀI 8 ACID
Authored by Mai Hoàng
Science
8th Grade
Used 6+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dãy chất gồm toàn dung dịch acid
HCl, NaOH
CaO, H2SO4
H3PO4, HNO3
SO2, KOH
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Gốc acid của acid HNO3 có hoá trị mấy?
I
II
III
IV
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Hydrochloric acid có công thức là gì?
HClO
HCl
HClO2
HClO3
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong số các chất sau đây, chất nào làm quỳ tím chuyển sang màu đỏ?
Dung dịch NaCl
Dung dịch NaOH
Dung dịch H2SO4
H2O
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trường hợp quỳ tím sẽ chuyển sang màu đỏ khi lần lượt nhỏ lên bốn mẫu dung dịch sau?
Nước đường
Nước ép dưa hấu
Giấm ăn.
Nước muối sinh lý.
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