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CBSE - VIII - Science - Coal and Petroleum
How do the obstructions in a fractionating column help in fractional distillation?
Asked by Deepak
22nd July 2020,
1:33 PM
CBSE - VIII - Science - Coal and Petroleum
Which type of coal is the hardest ?
Asked by aksheshohara
8th September 2019,
9:55 PM
CBSE - VIII - Science - Coal and Petroleum
Why is coke more porous than bituminous coal ?
Asked by avirajabhang2014
2nd August 2019,
4:59 PM
CBSE - VIII - Science - Coal and Petroleum
One of the following does not belong to the group.. a.Water. b. Forests. c. Petrol. d. Soil..
Asked by anjineppabudiwal
25th June 2019,
8:03 PM
CBSE - VIII - Science - Coal and Petroleum
Defference between petroleum and crude oil.(briefly)
Asked by Almin Khan
16th June 2014,
3:07 PM
CBSE - VIII - Science - Coal and Petroleum
Difrintiate between petroleum and crude oil.
Asked by Almin Khan
27th May 2014,
7:07 PM
CBSE - VIII - Science - Coal and Petroleum
What is distructive distillation.
Asked by Almin Khan
26th May 2014,
7:51 PM
CBSE - VIII - Science - Coal and Petroleum
What is renawable resouces?
Asked by Mukul Tiwari
25th March 2014,
7:53 PM
