Question

which of the following forms an acid in the atmosphere? oxygen argon helium nitrogen oxides

Explanation:

Nitrogen oxides (\(NO_x\)) react with water (\(H_2O\)) and oxygen (\(O_2\)) in the atmosphere to form nitric acid (\(HNO_3\)). Oxygen (\(O_2\)), argon (\(Ar\)), and helium (\(He\)) do not form acids in the atmosphere under normal conditions.

Answer:

nitrogen oxides