
KHTN8- BÀI 9 BASE
Authored by Quan Kendy
Chemistry
8th Grade
Used 11+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Base nào là kiềm?
Ba(OH)2.
Cu(OH)2.
Mg(OH)2.
Fe(OH)2.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Base là những chất làm cho quỳ tím chuyển sang màu nào trong số các màu sau đây?
Đỏ
Xanh
Tím
Vàng
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong công nghiệp sản xuất xà phòng, base nào dưới đây được sử dụng:
Ba(OH)2
Ca(OH)2
NaOH
Fe(OH)3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gọi tên đúng của base Fe(OH)3
Iron hydroxide
Iron (III)hydroxide
Copper hydorxide
Copper (III) hydroxide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch nào sau đây làm dung dịch phenolphtalein không màu chuyển thành màu hồng:
H2SO4, Ca(OH)2, KOH
HCl, NaOH, KOH
NaOH, KOH, Ca(OH)2
HNO3, KOH, NaOH
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