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Technical Interview Questions - 11 contains interview questions about chemical reaction,  exothermic reaction,  Endothermic reaction, What is DPK,  paraffin,  iso paraffins, straight chain paraffins, Naphthenic hydrocarbons,  olefins.

111. What is a chemical reaction?
112. What is exothermic reaction? What is Endothermic reaction?
113. What is DPK? Where Return kerosene is used?
114. What is paraffin?
115. What are iso p

111. What is a chemical reaction?

It is a chemical change in which elements combine to form compounds or breaking out compounds to recombine to form new compounds.

112. What is exothermic reaction? What is Endothermic reaction?

A chemical reaction in which heat is liberated is called exothermic reaction

Example: union fining reaction

A chemical reaction in which heat is absorbed is call endothermic reaction

Example: pacol reaction

113. What is DPK? Where Return kerosene is used?

DPK: Duel purpose kerosene. Return kerosene used as Jet A, B, JP & JPB)

114. What is paraffin?

Carbon atoms connected in a straight chain by single bond (normal) Butane C-C-C-C

115. What are iso paraffins?

Carbon atoms having branched chain, single bond arrangement is called Iso-parafins (non-normals).

Iso-butane C- C - C

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C



 

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