Percentage of nitrogen in the atmospheric air is ________.
a. 23.20% b. 75.50% c. negligible
TNSCERT Class 9 General Science Ch3 Is Matter Around us Pure
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Percentage of nitrogen in the atmospheric air is 75.50%.
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Percentage of nitrogen in the atmospheric air is 75.50%.
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b. 75.50%
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b. 75.50%
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