Select the process from the following which matches the given description.
(calcination, roasting, pulverisation, smelting)
Crushing of the ore into a fine powder.

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Solution

The crushing of ores in fine particles:
The ores are the substances that are used to extract pure metals.
In order to extract the pure metals, the initial step is to crush them into smaller pieces or in powder so that they can be used efficiently.
The process of crushing the ores is known as Pulverisation.
After pulverization, concentration of ores is done.

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Select the process from the following which matches the given description.(calcination, roasting, pulverisation, smelting)Crushing of the ore into a fine powder.

Select the process from the following which matches the given description.
(calcination, roasting, pulverisation, smelting)
Crushing of the ore into a fine powder.