Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximateanalysis.(A) 550(B) 750(C) 950(D) 1150

Coal is heated in absence of air for 7 minutes at a temperature of about
__________ °C, during its volatile matter determination for proximateanalysis.
(A) 550
(B) 750
(C) 950
(D) 1150
by

1 Answer

Answer :

(C) 950
by

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