Loss on ignition (LOI) of iron ore is determined by finiding...

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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

D. 1150

Answer: Option C

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