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I applied via Recruitment Consultant and was interviewed in Nov 2020. There were 3 interview rounds.
A name reaction is a chemical reaction named after its discoverer or developer. Solve it with given reactant.
Grignard reaction: RMgX + H2O -> R-OH + Mg(OH)X
Friedel-Crafts reaction: R-X + AlCl3 -> R-C6H5
Buchwald-Hartwig reaction: Ar-NH2 + R-X -> Ar-R + NH3 + X
Suzuki-Miyaura reaction: Ar-B(OH)2 + R-X -> Ar-R + B(OH)3 + X
Heck reaction: Ar-X + R-CH=CH2 -> Ar-R + HX
Diels-Alder reaction: C6H10 + C6H6 -> C12H12
Wittig reaction...
TLC stands for Thin Layer Chromatography. Polar solvents like methanol, ethanol, and water are used as mobile phase for non-polar stationary phase. Non-polar solvents like hexane, toluene, and chloroform are used as mobile phase for polar stationary phase.
TLC is a chromatography technique used to separate and identify compounds in a mixture.
It involves a stationary phase (usually a thin layer of silica gel or alumina) ...
Performed experiments on synthesis of aspirin and extraction of caffeine from tea leaves.
Synthesized aspirin by reacting salicylic acid with acetic anhydride in the presence of sulfuric acid catalyst.
Extracted caffeine from tea leaves using solvent extraction method with dichloromethane as solvent.
Performed thin layer chromatography to confirm the purity of synthesized aspirin and extracted caffeine.
Conducted acid-base...
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
It was a basic aptitude test.
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
- basic programming on C
I applied via Campus Placement and was interviewed before Oct 2021. There were 3 interview rounds.
English reasoning and logical question
I applied via Naukri.com and was interviewed before Jun 2021. There were 2 interview rounds.
English is the main focussed part
Some of the top questions asked at the Metropolitan Eximchem interview -
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