
Base tác dụng với acid
Interactive Video
•
Chemistry
•
8th Grade
•
Hard
Hoa Duong
FREE Resource
2 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch sodium hydroxide làm giấy phelnolphtalein không màu chuyển sang màu gì?
Xanh
Vàng
Hồng
Tím
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