BÀI KIỂM TRA CHỦ ĐỀ: OXYGEN – KHÔNG KHÍ
Flashcard
•
Chemistry
•
2nd Grade
•
Hard
Wayground Content
FREE Resource
Student preview
4 questions
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1.
FLASHCARD QUESTION
Front
Phát biểu đúng về khí oxygen?
Back
Oxygen là khí không màu, không mùi, không vị.
2.
FLASHCARD QUESTION
Front
Khí nào chiếm thể tích lớn nhất trong không khí?
Back
Nitrogen.
3.
FLASHCARD QUESTION
Front
Thành phần không khí gồm:
Back
Oxygen, nitrogen, hơi nước, khí carbonic.
4.
FLASHCARD QUESTION
Front
Vai trò của Nitrogen trong không khí?
Back
Cung cấp dinh dưỡng tự nhiên cho cây trồng.
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