Which of the following components of air is present in the largest amount in the atmosphere ?वायु का निम्नलिखित में से कौन-सा घटक वायुमण्डल में सबसे बड़ी मात्रा में मौजूद है ?
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Correct answer: A. Nitrogenनाइट्रोजन
Explanation
Dry air contains about 78% nitrogen, 21% oxygen, about 0.9% argon and only traces of carbon dioxide (0.04%) and variable water vapour. So nitrogen is the most abundant.शुष्क वायु में लगभग 78% नाइट्रोजन, 21% ऑक्सीजन, लगभग 0.9% आर्गन तथा बहुत कम मात्रा में कार्बन डाइऑक्साइड (0.04%) और परिवर्तनशील जलवाष्प होती है। अतः नाइट्रोजन सबसे अधिक है।More Environmental Studies (EVS) questions
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