MCQ
Non-oxide ceramics can be
- A$B_4C$
- B$SiC$
- C$Si_3N_4$
- ✓All of these
✓
Answer
Correct option: D.
All of these
d
Ceramics are inorganic , non-metallic, solid minerals. They come in a variety of forms, including silicates (silica, $SiO_2$ with metal oxides), oxides (oxygen and metals), carbides (carbon and metals), aluminates (alumina, $Al_2O_3$ with metal oxides) and nitrides.
Ceramics are inorganic , non-metallic, solid minerals. They come in a variety of forms, including silicates (silica, $SiO_2$ with metal oxides), oxides (oxygen and metals), carbides (carbon and metals), aluminates (alumina, $Al_2O_3$ with metal oxides) and nitrides.
The given ceramics are $B_4C$ (carbides), $SiC$ (carbides), $Si_3N_4$ (nitrides) and thus, none of these is an oxide . All of these are nonoxide ceramics.
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