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KLM Laboratories

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10+ PRERANA MOTORS Interview Questions and Answers

Updated 29 Nov 2024

Q1. Tell me 5 chemical used in chemistry lab?

Ans.

Chemicals commonly used in chemistry labs include acids, bases, solvents, reagents, and indicators.

  • Acids: hydrochloric acid, sulfuric acid, nitric acid

  • Bases: sodium hydroxide, potassium hydroxide, ammonia

  • Solvents: ethanol, acetone, water

  • Reagents: iodine, bromine, silver nitrate

  • Indicators: phenolphthalein, methyl orange, litmus

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Q2. What is Aromatic and aliphatic compound?

Ans.

Aromatic compounds have a cyclic structure with alternating double bonds, while aliphatic compounds have a linear structure without double bonds.

  • Aromatic compounds are highly stable and have strong odors.

  • Aliphatic compounds are less stable and have weaker odors.

  • Examples of aromatic compounds include benzene, toluene, and naphthalene.

  • Examples of aliphatic compounds include methane, ethane, and propane.

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Q3. Tell me about pH? In detail,

Ans.

pH is a measure of acidity or alkalinity of a solution on a scale of 0-14.

  • pH stands for 'potential of hydrogen'

  • A pH of 7 is neutral, below 7 is acidic and above 7 is alkaline

  • pH is measured using a pH meter or pH paper

  • pH plays an important role in various industries such as food, cosmetics, and pharmaceuticals

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Q4. What is GTIN number??

Ans.

GTIN stands for Global Trade Item Number, a unique identifier for products used in global trade.

  • GTIN is a 14-digit number used to identify products in global trade

  • It is used to track inventory, sales, and shipments

  • GTIN can be found on product packaging or in barcodes

  • Examples of GTIN include UPC, EAN, and ISBN

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Q5. How to withdraw samples??

Ans.

Samples can be withdrawn by following proper procedures and using appropriate equipment.

  • Identify the type of sample to be withdrawn

  • Select the appropriate equipment for withdrawal

  • Follow proper procedures for withdrawal to ensure accuracy and safety

  • Label the sample correctly for identification

  • Transport the sample to the appropriate location for testing or analysis

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Q6. What is Reconciliation?

Ans.

Reconciliation is the process of comparing two sets of records to ensure they are in agreement.

  • It involves identifying and resolving discrepancies between the two sets of records.

  • Reconciliation is commonly used in accounting to ensure that financial records are accurate.

  • It can also be used in other areas such as data management and conflict resolution.

  • Examples of reconciliation include bank statement reconciliation and inventory reconciliation.

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Q7. Tel me about chromatography?

Ans.

Chromatography is a technique used to separate and analyze mixtures of chemicals.

  • It involves a stationary phase and a mobile phase.

  • The mixture is passed through the stationary phase, which separates the components based on their chemical properties.

  • Different types of chromatography include gas chromatography, liquid chromatography, and ion exchange chromatography.

  • It is commonly used in the pharmaceutical industry for drug development and quality control.

  • Chromatography can als...read more

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Q8. Tell me about benzene,

Ans.

Benzene is a colorless, highly flammable liquid with a sweet odor.

  • Benzene is a hydrocarbon with the chemical formula C6H6.

  • It is used in the production of plastics, synthetic fibers, rubber, dyes, detergents, and pharmaceuticals.

  • Exposure to benzene can cause cancer, anemia, and other health problems.

  • Benzene is also a natural component of crude oil and gasoline.

  • It is highly volatile and can easily ignite, making it a hazardous substance.

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Q9. Inprocess in cartonator

Ans.

Inprocess in cartonator refers to the stage of packaging where the product is being placed into cartons.

  • Inprocess in cartonator is a crucial stage in the packaging process as it ensures that the product is properly packaged and protected.

  • During this stage, the product is placed into the carton and any necessary inserts or instructions are added.

  • Quality checks are performed to ensure that the correct product is in the correct carton and that the carton is properly sealed.

  • Examp...read more

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Q10. Experience of pharmaceutical, handling of equipment

Ans.

I have 5 years of experience in the pharmaceutical industry, specializing in the handling of various equipment.

  • Operated and maintained pharmaceutical equipment such as tablet presses, capsule fillers, and packaging machines

  • Followed strict protocols and procedures to ensure product quality and safety

  • Troubleshooted equipment issues and performed routine maintenance to prevent breakdowns

  • Collaborated with cross-functional teams to optimize equipment performance and efficiency

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