Question

nitrogen + oxygen → nitrogen dioxide

Which of these is a reactant in this chemical reaction?



A H2OH 2 O
B N2N 2
C N2ON 2 O
D NO2

Answer 1

In the chemical reaction you provided, nitrogen (N2) and oxygen (O2) are the reactants that combine to form nitrogen dioxide (NO2). Therefore, among the options given, the correct reactant is:

**B. N2**

(This indicates nitrogen as N2 is the diatomic form of nitrogen.)