question 1
It is known that acid rain is formed by the dissolution in rainwater of acid oxides present in the atmosphere. Among them, the main oxides responsible for acid rain are: NO2, ONLY2 and SO3. Indicate the names of these oxides, respectively:
a) nitrogen oxide, sulfur oxide II, sulfur oxide III.
b) nitrogen dioxide, sulfur dioxide, sulfur trioxide.
c) nitrogen dioxide, sulfur oxide, sulfur oxide.
d) dinitrogen monoxide, disulfur oxide, trisulfur oxide.
e) dinitrogen monoxide, sulfur oxide, sulfur trioxide.
question 2
Indicate the alternative that brings the correct nomenclature of the following oxides: MnO3, Mn2O3, MnO2, Mn2O7 in the:
a) manganese tetroxide, dimanganese tetroxide, manganese dioxide, dimanganese heptoxide and manganese monoxide.
b) manganese oxide III, manganese trioxide, manganese oxide II, manganese heptoxide and manganese monoxide.
c) magnesium trioxide, dimagnesium trioxide, magnesium dioxide, dimagnesium heptoxide and magnesium monoxide.
d) manganese trioxide, dimanganese trioxide, manganese dioxide, dimanganese heptoxide and manganese monoxide.
e) manganese oxide, dimanganese tetroxide, manganous oxide, dimanganese heptoxide and manganese monoxide.
More questionsAlthough the term race appears in common sense, it is still usually wrong. In this class, learn the historical and theoretical differences between the terms race and ethnicity.
It is known that hunger in Brazil has drastically decreased over the last 40 years, but is this an indicator of food quality? We are going to deal with this topic that is so important for the present time in this class!
