Windlas Biotech Trainee Chemist Interview Questions and Answers

Seeking new challenges and opportunities for growth.

• Desire for new challenges and opportunities for growth

• Seeking a more stimulating work environment

• Looking to expand skill set and knowledge

• Company restructuring or downsizing

• Relocation to a new area

A 50 ppm solution contains 50 parts of solute per million parts of solution.

• ppm stands for parts per million.

• It is a measure of concentration.

• In a 50 ppm solution, there are 50 parts of solute per million parts of solution.

• For example, if we have a 1 million mL solution, there would be 50 mL of solute in it.

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

• Distillation involves heating a liquid mixture to vaporize the more volatile components.

• The vapor is then cooled and condensed back into a liquid, resulting in the separation of the components.

• The component with the lower boiling point will vaporize first and can be collected separately.

• Common examples of dist...read more

There are various types of distillation, such as fractional distillation, simple distillation, and vacuum distillation.

• Fractional distillation is used to separate mixtures with close boiling points, such as in the separation of different components of crude oil.

• Simple distillation is used to separate liquids with significantly different boiling points, such as in the purification of water.

• Vacuum distillation is used to...read more

The type of pump and valve depends on the specific production process and requirements.

• The selection of pump and valve depends on factors such as the fluid being handled, flow rate, pressure, temperature, and material compatibility.

• Common types of pumps include centrifugal pumps, positive displacement pumps, and diaphragm pumps.

• Common types of valves include ball valves, gate valves, globe valves, and butterfly valves.

• ...read more