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| nitrogen dioxide; Dinitrogen tetroxide | |||
| nitrogen dioxide A reddish-brown gas; it exists in varying degrees of concentration in equilibrium with other nitrogen oxides; used to produce nitric acid, NO2 | |||
| nitrogen peroxide | |||
| dioxyde d 'azote: 6 phrases in 3 subjects |
| Environment | 4 |
| Law | 1 |
| Politics | 1 |