KLM Laboratories
10+ PRERANA MOTORS Interview Questions and Answers
Q1. Tell me 5 chemical used in chemistry lab?
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
Q2. What is Aromatic and aliphatic compound?
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.
Q3. Tell me about pH? In detail,
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
Q4. What is GTIN number??
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
Q5. How to withdraw samples??
Samples can be withdrawn by following proper procedures and using appropriate equipment.
Identify the type of sample to be withdrawn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
Q6. What is Reconciliation?
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.
Q7. Tel me about chromatography?
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
Q8. Tell me about benzene,
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.
Q9. Inprocess in cartonator
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
Q10. Experience of pharmaceutical, handling of equipment
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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