RRB JE practice question
Which gas makes up the majority of the air we exhale?
From a RRB JE Science practice set · Science
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Correct answer: (C) Nitrogen
Nitrogen, largely unused by the body, still makes up the majority of exhaled air.
हिंदी में प्रश्न
हमारे द्वारा छोड़ी गई साँस (exhaled air) में अधिकांश भाग किस गैस का होता है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) Nitrogen
नाइट्रोजन, जो शरीर द्वारा अधिकतर उपयोग में नहीं लाई जाती, फिर भी उच्छ्वसित वायु का अधिकांश भाग बनाती है।
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