%_During coal carbonisation process, the conversion of semi-coke to co – McqOptions

MCQOPTIONS

1.	%_During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass._%
A.	Density
B.	Porosity
C.	Electrical resistivity
D.	None of these
Answer» B. Porosity

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