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प्रश्न
Which of the following oxides of nitrogen is a coloured gas?
विकल्प
N2O
NO
N2O5
NO2
MCQ
उत्तर
NO2
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Which of the following oxides of nitrogen is a coloured gas?
N2O
NO
N2O5
NO2
NO2