C-08-Q108mediumsingle_mcq
If unrefined fuel is burnt, oxides of N/S/P enter air and form:
If unrefined fuel is burnt, oxides of N/S/P enter air and form:
- acarbonic acid only
- bacids that fall as acid rain
- cpure water vapor
- dammonia
If unrefined fuel is burnt, oxides of N/S/P enter air and form: