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Which is called the black gold coal or petroleum?
Coal is Black gold
Why is coal coal called black gold?
It is called that because in those days coal could get you alot of money, so did gold. So it was called "black gold".
What coal has a hard brittle texture?
Anthracite
Is coal called black diomand?
Yes, it can be called Black Diamond. Source: Wikipedia under "Black Diamond"
Why are coal and carbon black in color?
because the carbon dioxided in the coal and it has a type of substance that is in the coal body called the : dialkyl , arylmethyknene , and sulfonium
Which is called the black gold coal or petroleum?
Coal is Black gold
Why is coal coal called black gold?
It is called that because in those days coal could get you alot of money, so did gold. So it was called "black gold".
Is coal hard or soft?
Neither, it is brittle.
What coal has a hard brittle texture?
Anthracite
What used to be called black diamonds?
Coal has been called 'black diamonds'. This is probably because coal and diamonds are both formed from carbon.
Is coal called black diomand?
Yes, it can be called Black Diamond. Source: Wikipedia under "Black Diamond"
Why are coal and carbon black in color?
because the carbon dioxided in the coal and it has a type of substance that is in the coal body called the : dialkyl , arylmethyknene , and sulfonium
as black as coal?
(as) black as coal (as) black as coal Completely black; totally without light or color.
What is black coal?
Black coal is a high-quality variety of coal.
Coal can be drawn into wires?
Coal is neither malleable nor ductile. It is brittle. It would crumble if you tried to draw it into a wire.
What is coaling?
coal is a kind of rock that people call it the black diamond.
What is the health problems for coal miners?
Coal miners that are exposed to coal dust are prone to get what is called black lung disease. The coal duct accumulates in the lungs and makes it difficult to breathe.
