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নাইট্রিক অক্সাইড ও অক্সিজেনের বিক্রিয়ায় লালচে বাদামী বর্ণের নাইট্রোজেন ডাই অক্সাইড তৈরি হয়।
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নাইট্রিক অক্সাইড ও অক্সিজেনের বিক্রিয়ায় লালচে বাদামী বর্ণের নাইট্রোজেন ডাই অক্সাইড তৈরি হয়।