Question

The method of removing volatile matter from ores is known as

Answer 1

Enrichment of ores is the method known for removing volatile matter from ores

Answer 2

Volatile matter. Volatile matter in coal refers to the components of coal, except for moisture, which are liberated at high temperature in the absence of air. This is usually a mixture of short- and long-chain hydrocarbons, aromatic hydrocarbons and some sulfur. The weight loss is the volatile matter. Volatile matter is usually specified free of the moisture content, i.e. volatile matter - moisture or (V.M. - moisture). High volatile charcoal is easy to ignite but may burn with a smoke flame.

->Roasting

 Calcination

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