Shiva Pharmachem DCS Operator Interview Questions and Answers

The raw material in bifenthrin is a synthetic pyrethroid insecticide.

• Bifenthrin is synthesized from various chemical compounds.

• It is commonly derived from the reaction between 2-methyl-3-bromobenzyl cyanide and 2,2-dimethyl-1,3-dioxane-4,6-dione.

• Other raw materials used in the production of bifenthrin include solvents, catalysts, and reagents.

• The synthesis process involves multiple steps, including purification and for...read more

The raw material in bifenthrin is a synthetic pyrethroid insecticide.

• Bifenthrin is synthesized from various chemical compounds.

• It is commonly derived from the reaction of 2-methyl-3-phenylpropyl bromide with 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylic acid.

• Other raw materials used in the production of bifenthrin include solvents, catalysts, and reagents.

• The synthesis process involves multiple steps and r...read more

Distillation is a process of separating components of a mixture based on their boiling points. Filtration is a process of separating solids from liquids or gases. Drying is a process of removing moisture from a substance.

• Distillation involves heating a mixture to vaporize the component with the lowest boiling point, then condensing the vapor to collect the purified component.

• Filtration involves passing a mixture throug...read more

List is mutable, tuple is immutable in Python.

• List can be modified, tuple cannot be modified

• List uses square brackets [], tuple uses parentheses ()

• List is used for collections of items that may change, tuple is used for fixed collections