Question

हमारे जीवन में ऑक्सीजन और नाइट्रोजन की उपयोगिता को सूचीबद्ध कीजिए।

Answer 1

Hamare jivan me oxygen ki aur nitrogen ki bahut avashyakata hoti Hai . humko Jine ke liye oxygen ki jaroorat padati Hai aur oxygen ko isi vajah see pranvayu bhi kahate Hai . nitrogen see hamare paryavaran me fixation hota Hai ....

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