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shakeel123

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Percentage of nitrogen in atmosphere is:

10th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Chemistry 10th Class Chapter 6 Atmosphere

Question:
Percentage of nitrogen in atmosphere is:

Option A):
0.93%
Option B):
20.94%
Option C):
0.03%
Option D):
78.09%

Correct Answer is Option D):
78.09%

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