Zen Pharma (P) QC Executive Interview Questions and Answers

I transitioned between three companies for career growth, better opportunities, and personal development.

• Career growth: I was seeking new challenges and opportunities to advance my skills and knowledge.

• Better opportunities: I wanted to explore different industries and roles to broaden my experience.

• Personal development: I believed that changing companies would help me learn new perspectives and approaches.

• Examples: Tra...read more

I faced a problem with inconsistent test results due to equipment malfunction.

• Identified the issue by conducting troubleshooting on the equipment

• Consulted with maintenance team to repair the equipment

• Implemented regular maintenance schedule to prevent future issues

HPLC process is a chromatographic technique used to separate, identify, and quantify components in a mixture.

• HPLC stands for High Performance Liquid Chromatography.

• It involves passing a liquid sample through a column filled with a stationary phase, where different components interact differently and get separated.

• The separated components are detected and quantified based on their retention times.

• HPLC is commonly used i...read more

GC process stands for Gas Chromatography process used for separating and analyzing compounds in a mixture.

• GC process involves injecting a sample into a heated inlet, where it vaporizes.

• The vaporized sample is carried by an inert gas through a column packed with a stationary phase.

• Different compounds in the sample interact differently with the stationary phase, leading to separation based on their properties.

• The separat...read more

Molarity, molality, and normality are all concentration units used in chemistry.

• Molarity is the number of moles of solute per liter of solution.

• Molality is the number of moles of solute per kilogram of solvent.

• Normality is the number of equivalents of solute per liter of solution.

• Molarity is temperature dependent, while molality is temperature independent.

• Normality is used in acid-base reactions to measure the concentr