CHỦ ĐỀ OXY
Flashcard
•
Chemistry
•
1st Grade
•
Hard
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10 questions
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1.
FLASHCARD QUESTION
Front
Oxy có tính chất vật lí nào?
Back
Nặng hơn không khí, rất ít tan trong nước.
2.
FLASHCARD QUESTION
Front
O2 được điều chế bằng cách nào trong phòng thí nghiệm?
Back
Nhiệt phân hủy KMnO4.
3.
FLASHCARD QUESTION
Front
Có thể thu Oxi bằng cách đẩy nước vì
Back
Oxi ít tan trong nước và không tác dụng với nước.
4.
FLASHCARD QUESTION
Front
Khi thu O2 bằng cách đẩy không khí, bình thu khí được đặt như thế nào?
Back
Đặt đứng bình, miệng hướng lên trên.
5.
FLASHCARD QUESTION
Front
Oxi không tác dụng với chất nào?
Back
CO₂
6.
FLASHCARD QUESTION
Front
Chất không thể là sản phẩm của phản ứng đốt sắt trong oxi?
Back
Fe(OH)₃.
7.
FLASHCARD QUESTION
Front
Công thức nào là oxit?
Back
K₂O.
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