Q25
Loss on ignition (LOI) of iron ore is determined by finiding the loss in weight of the sample by heating it first to 500°C for 5 minutes followed by its heating at . . . . . . . . °C, for 30 minutes.
A.
250
B.
750
C.
950
AnswerD.
1150
Answer: Option C
Solution
Answer: Option C
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