dsm-firmenich Apprenticeship Trainee Interview Questions and Answers

Distillation is a process of separating components of a mixture based on their boiling points.

• It involves heating the mixture to vaporize the component with the lowest boiling point.

• The vapor is then condensed and collected as a separate liquid.

• This process is commonly used in the production of alcoholic beverages, petroleum refining, and purification of water.

• Fractional distillation is a variation of distillation that...read more

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The fragrance of a chemical depends on its molecular structure and can range from pleasant to unpleasant.

• The fragrance of a chemical is determined by its functional groups and the arrangement of its atoms.

• Some chemicals have a pleasant fragrance, such as vanilla (vanillin) and lavender (linalool).

• Other chemicals have an unpleasant odor, such as hydrogen sulfide (rotten eggs) and ammonia (urine).

• The fragrance of a chemi...read more