From the list of terms given, choose the most appropriate term to match

From the list of terms given, choose the most appropriate term to match the given description. (calcination, roasting, pulverisation, smelting)

1. Crushing of the ore into a fine powder.
2. Heating of the ore in the absence of air to a high temperature.

Answer

1. Pulverisation

2. Calcination

• Exam Year: 2017