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It just stays black because when you mix black with anything it just turns black
Brown or black marks on fired pottery are usually caused by mineral impurities, usually iron.
a lot of red and a bit of black
Brown
Colors of warthogs are usually a tan or a dark brown.
It loses its water content and becomes brown.
It is Black/Brown.
It is Black/Brown.
It is Black/Brown.
It is copper. & the black compound is CuO.
The periodic element mentioned in "A Charlie Brown Christmas" is aluminum. In the movie, Charlie Brown picks out a small, scrawny aluminum Christmas tree that becomes the focus of the story.
yes it changes color, I have a cockroach with white color and in afternoon it becomes brown / black, again in morning it becomes white. So this a unique cockroach. Sunil Dubai
the element was copper and the new black compound formed was copper oxide.
A brown dwarf will never become a black dwarf. A black dwarf is what becomes of a white dwarf. This process takes hundreds of trillions of years.
Boron
brown
ferrous sulphate when it is heated it changes into red brown color