10+ Lucknow Diocesan Trust Association Interview Questions and Answers

Chromatography is a technique used to separate and analyze mixtures based on their different interactions with a stationary phase and a mobile phase.

• Types of chromatography include gas chromatography, liquid chromatography, ion exchange chromatography, affinity chromatography, and size exclusion chromatography.

• Gas chromatography separates compounds based on their volatility and interaction with a stationary phase inside a column.

• Liquid chromatography separates compounds based...read more

Spectroscopy is the study of the interaction between matter and electromagnetic radiation. Different types include UV-Vis, IR, NMR, and MS.

• UV-Visible Spectroscopy: Used for analyzing the electronic transitions in molecules, determining concentration of a substance, and identifying unknown compounds.

• Infrared Spectroscopy: Used for identifying functional groups in organic molecules, determining molecular structure, and analyzing chemical bonds.

• Nuclear Magnetic Resonance (NMR) S...read more

Chemistry is the study of matter, its properties, composition, and interactions.

• Chemistry is a branch of science that deals with the composition, structure, properties, and reactions of matter.

• It involves understanding the behavior of atoms and molecules, and how they interact to form new substances.

• Chemistry is essential in various industries such as pharmaceuticals, agriculture, and manufacturing.

• Examples include studying the properties of elements on the periodic table, an...read more

Structures of toluene, methanol, ethanol, and ethylene glycol.

• Toluene has a benzene ring with a methyl group attached.

• Methanol has a single carbon atom with a hydroxyl group attached.

• Ethanol has two carbon atoms with a hydroxyl group attached to one of them.

• Ethylene glycol has two carbon atoms with two hydroxyl groups attached.

Assay in drug substance is a test used to determine the potency or concentration of a drug in a sample.

• Assay is a quantitative analysis method used to measure the amount of a specific substance in a sample.

• It is commonly used in pharmaceutical industry to ensure the quality and consistency of drug products.

• Assay results are compared to a standard reference to determine the potency or concentration of the drug.

• Examples of assays include HPLC (High Performance Liquid Chromatogr...read more

Alcoa stands for Analytical Laboratory Control on Arrival, a process used in the pharmaceutical industry to ensure the quality of raw materials.

• Alcoa is a set of guidelines used to ensure data integrity in pharmaceutical manufacturing.

• It stands for Attributable, Legible, Contemporaneous, Original, and Accurate.

• Alcoa principles are used to ensure the reliability and accuracy of data in pharmaceutical testing and analysis.

• For example, ensuring that all data is attributable to a...read more

Nitrogen gas is typically identified by a color code of black in industrial settings.

• Color Code: Black is the standard color for nitrogen gas cylinders.

• Usage: Nitrogen is commonly used in food packaging and as an inert gas in various industrial processes.

• Safety: Always check for proper labeling and ensure cylinders are stored upright.

Assay formula is a specific calculation used to determine the concentration or purity of a substance in a sample.

• Assay formula typically involves measuring the amount of a specific compound or molecule in a sample.

• It may involve using a standard curve to determine the concentration of the substance.

• Assay formulas can vary depending on the type of assay being performed, such as ELISA or PCR.

• Examples include calculating the protein concentration in a sample using a Bradford ass...read more

Standard agreement formula is a legally binding document outlining terms and conditions agreed upon by parties involved.

• Include names and signatures of all parties involved

• Clearly outline the terms and conditions of the agreement

• Specify the duration of the agreement

• Include clauses for termination and dispute resolution

• Ensure the agreement is legally binding and enforceable

I am responsible for ensuring the quality of products through analysis and testing.

• Performing quality control tests on raw materials, in-process samples, and finished products

• Analyzing data and identifying trends or deviations from standards

• Documenting test results and communicating findings to relevant stakeholders

• Troubleshooting issues and recommending corrective actions

• Ensuring compliance with regulatory requirements and quality standards

Quality control ensures products meet specified standards through systematic testing and evaluation.

• Involves inspection and testing of products at various stages of production.

• Uses statistical methods to monitor and control processes, e.g., Six Sigma.

• Identifies defects and implements corrective actions to improve quality.

• Examples include testing pharmaceuticals for potency and purity.

• Quality control can involve both manual inspections and automated systems.

Water content refers to the amount of water present in a substance, crucial for various applications including food, pharmaceuticals, and agriculture.

• Water content is typically expressed as a percentage of the total weight of the substance.

• In food science, high water content can affect shelf life and texture; for example, fruits like watermelon have high water content.

• In pharmaceuticals, water content is critical for drug stability; for instance, hygroscopic substances absorb...read more

Career gas refers to the stagnation or lack of growth in one's professional journey, often leading to dissatisfaction.

• Career gas can occur when an employee feels stuck in their role without opportunities for advancement.

• Example: An employee in a company for years without promotions or skill development may experience career gas.

• It can lead to decreased motivation and productivity, affecting overall job satisfaction.

• Identifying career gas early can help individuals seek new ch...read more