Cr2O3 is an oxide.
Ammonia is an inorganic gas.
Ammonia belongs to the class of compounds known as amines. Amines are organic compounds that contain nitrogen as the key element, with ammonia being the simplest example.
Titanium dioxide is an inorganic compound.
Carbohydrates
The class of Tin II Fluoride is an inorganic compound. It is a metal fluoride containing tin in the +2 oxidation state.
KOH (potassium hydroxide) is an inorganic compound. It is a strong base commonly used in various chemical applications such as in the manufacturing of soaps and detergents, as well as in certain industrial processes.
Copper(I) chloride belongs to the class of inorganic compounds, specifically metal halides. It is an ionic compound composed of copper cations (Cu+) and chloride anions (Cl-).
Tigers belong to Class Mammalia.
Opossums belong to the class mammalia.
They belong to the class Mammalia ( mammals).
the priests belong to the upper class (1st class)
the priests belong to the upper class (1st class)