The oil must be hydrogenated to be able to achieve the solid and creamy state. That is option A.
Hydrogenation of liquid fats
Liquid fats are known to be soluble or liquid at room temperature but has the ability to attain a solid state at the same temperature through the process called hydrogenation.
Hydrogenation of liquid fats is defined as the process by which hydrogen gas is bubbled through an oil in the presence of a catalyst, nickel.
This leads to the conversation of unsaturated double bonds to saturated bonds with an increased melting point.
Therefore, the oil must be hydrogenated to be able to achieve the solid and creamy state.
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