
Call 1800-123-2003
"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
"Smartindia is one of the best supplementary education tool for school students." Ms Pooja, Principal
what is the difference between bitumen and coal tar? |
Coal is formed by the remains of dead and decayed plants, while Petroleum is formed by the remains of dead and decayed animals and plants The coal tar is a by product obtained by destructive distillation of coal, while bitumen is obtained by fractional distillation of crude oil(petroleum). |