Ôn tập kiến thức bài 9 Base. thang pH
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Chemistry
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Tên gọi của NaOH
Back
Sodium hydroxide.
2.
FLASHCARD QUESTION
Front
KOH có màu gì khi nhỏ quỳ tím?
Back
Màu xanh.
3.
FLASHCARD QUESTION
Front
Khi thêm HCl vào dung dịch KOH, hiện tượng gì xảy ra?
Back
Màu xanh nhạt dần ; mất hẳn rồi chuyển sang màu đỏ.
4.
FLASHCARD QUESTION
Front
Chất nào là dung dịch base trong các chất sau: Ca(OH)2, Cu(OH)2, MgCl2, H2SO4?
Back
Ca(OH)2.
5.
FLASHCARD QUESTION
Front
Hiện tượng khi cho phenolphthalein vào NaOH là gì?
Back
Dung dịch có màu hồng.
6.
FLASHCARD QUESTION
Front
Để nhận biết H2SO4, NaOH, HCl, dùng gì?
Back
Qùy tím và dung dịch BaCl2.
7.
FLASHCARD QUESTION
Front
Định nghĩa của dung dịch base?
Back
Dung dịch có khả năng nhận proton (H+) hoặc nhường electron.
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