THÍ NGHIỆM HNO3
Interactive Video
•
Specialty
•
11th Grade
•
Hard
Nguyen Xinh
FREE Resource
2 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khí thoát ra là khí gì?
A. N2
B. N2O
C. NO
D. NO2
2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
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