For determination of ash in coke
A. few drops of benzene is added to avoid the oxidation of coal
B. temperature maintained is same as that for coal i.e. 775 ± 25°C
C. muffle furnace is not used
D. temperature maintained is 1050°C
Answer: Option B
Related Questions on Metallurgical Analysis
A. combustion
B. gravimetric
C. volumetric
D. both B and C
Temperature used in the determination of volatile matter of coal is . . . . . . . . °C.
A. 750
B. 850
C. 950
D. 1050
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