V-ensure Pharma Technologies Junior Research Associate Interview Questions and Answers

Q1. Initial with the recruiter
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Q2. Brief about yourself and experience
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Q1. Training development manager
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Formal round of interview with the Operations manager

Q1. Question regarding your profile and current job responsibilities
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Q1. Automatic visual inspection machine principles
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Automatic visual inspection machines use computer vision technology to detect defects in products.
• AVI machines use cameras and software to analyze products for defects

• They can detect defects such as scratches, dents, and discoloration

• AVI machines are commonly used in industries such as manufacturing and packaging

• They can improve quality control and reduce the need for manual inspection
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Q2. Visual inspection particle preparation and POD calculation
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Q1. Separation of chiral compounds
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Separation of chiral compounds involves techniques like chromatography, crystallization, and distillation.
• Chiral compounds have non-superimposable mirror images called enantiomers.

• Chromatography techniques like HPLC and GC are commonly used for chiral separation.

• Crystallization can be used to separate enantiomers based on their different crystal structures.

• Distillation techniques like fractional distillation can also b
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Q2. Name reactions and reagents
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Name reactions and reagents are key components in organic chemistry for synthesizing compounds.
• Some common name reactions include Grignard reaction, Friedel-Crafts reaction, and Diels-Alder reaction

• Reagents like Grignard reagent, lithium aluminum hydride, and sodium borohydride are commonly used in organic synthesis

• Understanding name reactions and reagents is essential for designing efficient synthetic routes
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How Mane Experience

Q1. Which is RF Volue and what is TLC
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Q2. Tin layer chromatography Product trafared distence/Mobile phase Trafared distence
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Q3. Purification and recrestlation
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Q1. Past experience related questions
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Q1. What is Chromatography?
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Q2. Types of filtration.
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Filtration is a process to separate solids from liquids or gases using a filter medium.
• Mechanical Filtration: Uses physical barriers (e.g., sand filters).

• Chemical Filtration: Involves chemical reactions (e.g., activated carbon filters).

• Biological Filtration: Utilizes microorganisms (e.g., biofilters in aquariums).

• Membrane Filtration: Employs semi-permeable membranes (e.g., reverse osmosis).

• Air Filtration: Removes parti
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Q3. What is crystallization?
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Crystallization is the process of forming solid crystals from a homogeneous solution or melt.
• Occurs when a solute concentration exceeds its solubility limit.

• Can be induced by cooling a solution or evaporating the solvent.

• Examples include sugar crystallizing from syrup and salt from seawater.

• Used in purifying substances, such as in the production of pharmaceuticals.
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Q4. Types of Extraction techniques.
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Extraction techniques are methods used to isolate specific compounds from mixtures in various fields, including chemistry and biology.
• Solvent Extraction: Uses a solvent to dissolve and separate compounds (e.g., extracting caffeine from coffee).

• Distillation: Separates components based on boiling points (e.g., purifying ethanol).

• Filtration: Uses a barrier to separate solids from liquids (e.g., filtering sand from water).

• ...read more
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Q5. Types of purification techniques.
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Purification techniques separate desired substances from impurities, enhancing quality and usability in various fields.
• Filtration: Uses a barrier to separate solids from liquids (e.g., coffee filter).

• Distillation: Separates components based on boiling points (e.g., alcohol distillation).

• Chromatography: Separates mixtures based on differential affinities (e.g., paper chromatography).

• Centrifugation: Uses centrifugal forc...read more
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