20+ Gitanjali International School Interview Questions and Answers

Organic chemistry is the study of carbon-based compounds. pH measures acidity or alkalinity. TLC is a technique for separating compounds.

• Organic chemistry focuses on the study of carbon-containing compounds.

• pH is a measure of the acidity or alkalinity of a solution.

• TLC (Thin Layer Chromatography) is a technique used to separate and analyze compounds in a mixture.

• Polar solvents dissolve polar compounds, while non-polar solvents dissolve non-polar compounds.

• 1N HCl (1 Normal hyd...read more

To fix the specification limit for an unknown impurity in an API, conduct thorough analysis and consider regulatory guidelines.

• Perform comprehensive analysis of the impurity to determine its identity, properties, and potential risks

• Refer to regulatory guidelines and industry standards to establish acceptable limits for impurities

• Consider the impact of the impurity on the quality, safety, and efficacy of the API

• Collaborate with experts in analytical chemistry and toxicology to...read more

Managing excessive logistics imports requires strategic planning, optimization, and collaboration across the supply chain.

• Implement data analytics to forecast demand accurately, reducing unnecessary imports.

• Negotiate with suppliers for flexible order quantities to align with actual needs.

• Utilize just-in-time (JIT) inventory systems to minimize excess stock.

• Enhance collaboration with customs and regulatory bodies to streamline import processes.

• Explore alternative sourcing opti...read more

Requesting a customs e-document closing letter for a resolved alert.

• Include your company's name and address at the top of the letter.

• Clearly state the purpose of the letter: request for e-document closing letter.

• Provide details of the alert, including reference number and date of closure.

• Mention any relevant customs regulations or guidelines that support your request.

• Include your contact information for any follow-up or clarification.

Effective customs clearance management involves strategic planning, compliance, and collaboration with stakeholders.

• Understand regulations: Stay updated on customs regulations in both exporting and importing countries.

• Documentation: Ensure all necessary documents (invoices, packing lists, certificates) are accurate and complete.

• Customs broker: Collaborate with a licensed customs broker to navigate complex customs procedures efficiently.

• Pre-clearance: Utilize pre-clearance opt...read more

I have extensive experience in vendor communication and management, ensuring smooth operations and strong partnerships.

• Developed strong relationships with key suppliers, resulting in a 15% reduction in costs through negotiated contracts.

• Implemented a vendor performance evaluation system that improved delivery times by 20%.

• Conducted regular meetings with vendors to align on expectations and address any issues proactively.

• Utilized a collaborative approach to resolve conflicts, ...read more

To prepare the QC laboratory for an audit, follow these steps:

• Ensure all equipment is calibrated and validated

• Review and update standard operating procedures (SOPs)

• Train laboratory personnel on audit procedures and expectations

• Perform internal audits to identify and address any non-compliance issues

• Organize and maintain documentation, including records of test results and equipment maintenance

• Implement a robust quality management system

• Conduct regular inspections and self-ass...read more

An OOS investigation is a process to determine the cause of an out-of-specification result in a product or process.

• OOS stands for Out-of-Specification.

• It involves a thorough investigation to identify the root cause of the deviation.

• The investigation may include reviewing manufacturing records, conducting laboratory tests, and analyzing data.

• One example of an OOS investigation is when a pharmaceutical product fails to meet its specified potency during quality control testing.

• T...read more

Validation is the process of checking if something meets certain criteria. Types of validation include data validation, form validation, and email validation.

• Validation is the process of ensuring that something meets specific requirements or standards.

• Data validation involves checking the accuracy, completeness, and consistency of data.

• Form validation ensures that user input in web forms is correct and meets specified criteria.

• Email validation verifies the format and existenc...read more

Molarity is the concentration of a solution in moles of solute per liter of solution, while Normality is the concentration of a solution in equivalents of solute per liter of solution.

• Molarity is expressed in moles/L, while Normality is expressed in equivalents/L.

• Molarity is used for all types of solutions, while Normality is specifically used for acid-base reactions.

• To calculate Molarity, you need to know the molecular weight of the solute, while for Normality, you need to k...read more

AA is a common abbreviation for amino acids. They have a general structure of NH2-CHR-COOH and can undergo various named reactions like Grignard reaction.

• AA stands for amino acids which are the building blocks of proteins

• Their general structure is NH2-CHR-COOH where R can be any of the 20 different side chains

• Grignard reaction is a named reaction used to form carbon-carbon bonds and is commonly used in organic synthesis

Effective transporter negotiations involve preparation, relationship building, and strategic communication to achieve favorable terms.

• Research market rates and trends to establish a baseline for negotiations.

• Build strong relationships with transporters to foster trust and collaboration.

• Clearly define service requirements and expectations to avoid misunderstandings.

• Utilize competitive bidding to encourage better offers from multiple transporters.

• Negotiate not just on price, bu...read more

Oxidising reagents are substances that accept electrons, while reducing reagents are substances that donate electrons.

• Examples of oxidising reagents: potassium permanganate, hydrogen peroxide, nitric acid

• Examples of reducing reagents: sodium borohydride, lithium aluminum hydride, hydrogen gas

IR spectroscopy and UV spectroscopy are analytical techniques used to study the interaction of matter with infrared and ultraviolet radiation, respectively.

• IR spectroscopy involves the absorption, transmission, and reflection of infrared radiation by a sample.

• UV spectroscopy measures the absorption of ultraviolet radiation by a sample.

• Both techniques are commonly used in chemistry to identify functional groups and analyze chemical structures.

• IR spectroscopy is useful for iden...read more

Importing goods involves a series of steps from sourcing to customs clearance and delivery.

• Identify the product and supplier: Research and select a reliable supplier for the goods you want to import.

• Negotiate terms: Discuss pricing, payment terms, and delivery schedules with the supplier.

• Arrange transportation: Choose a shipping method (air, sea, or land) and book the transport with a freight forwarder.

• Prepare documentation: Gather necessary documents like the commercial invo...read more

Incident management process involves identifying, responding to, and resolving incidents to minimize their impact on business operations.

• The process starts with incident identification, where incidents are reported or detected.

• Once an incident is identified, it is logged and categorized based on its severity and impact.

• A response team is then assigned to investigate and resolve the incident.

• During the investigation, the team gathers information, analyzes the root cause, and d...read more

Calibration of HPLC involves adjusting and verifying the accuracy and precision of the instrument.

• Calibration ensures that the HPLC system is performing accurately and reliably.

• It involves adjusting parameters such as flow rate, detector wavelength, and injection volume.

• Calibration standards of known concentration are used to verify the accuracy of the system.

• Precision is assessed by analyzing replicate injections of a standard solution.

• Calibration curves are generated by plo...read more

Proper handling of chemicals involves wearing appropriate protective gear, storing chemicals properly, and following safety guidelines.

• Always wear appropriate protective gear such as gloves, goggles, and lab coats when handling chemicals.

• Store chemicals in designated areas away from heat sources and incompatible substances.

• Follow safety guidelines provided by the manufacturer, including proper disposal methods and emergency procedures.

• Label all containers with the name of the...read more

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

• pH stands for 'potential of Hydrogen'

• pH scale ranges from 0 (most acidic) to 14 (most alkaline)

• Neutral pH is 7, like pure water

• Acids have pH below 7, bases have pH above 7

• pH is important in various industries like agriculture, food, and medicine

Safety in batch charging time refers to ensuring that the process of adding materials to a batch is done in a safe and controlled manner.

• Ensuring proper training and supervision of personnel involved in batch charging

• Following safety protocols and guidelines to prevent accidents or injuries

• Regular maintenance and inspection of equipment used in batch charging

• Using appropriate personal protective equipment (PPE) during batch charging

• Implementing emergency response procedures i...read more

Density of solvents is an important property for various chemical processes.

• Density is the mass per unit volume of a substance.

• Solvents with higher density can dissolve more solutes.

• Density can be affected by temperature and pressure.

• Examples of solvents with different densities include water (1 g/mL), ethanol (0.789 g/mL), and chloroform (1.48 g/mL).

I will charge batch by ensuring all necessary materials are available, assigning tasks to team members, monitoring progress, and adjusting as needed.

• Ensure all materials and equipment are ready before starting the batch

• Assign specific tasks to team members based on their skills and experience

• Monitor the progress of each task and the overall batch process

• Adjust the workflow as needed to ensure efficiency and quality

• Communicate effectively with team members to keep everyone on ...read more

Acids are substances that donate hydrogen ions, while bases are substances that accept hydrogen ions.

• Acids have a pH less than 7, while bases have a pH greater than 7.

• Acids taste sour, while bases taste bitter.

• Acids react with metals to produce hydrogen gas, while bases do not.

• Examples of acids include hydrochloric acid and sulfuric acid, while examples of bases include sodium hydroxide and ammonia.

• Acids and bases can neutralize each other to form water and a salt.

I have extensive experience working with water systems in various industrial settings.

• Experience with troubleshooting and repairing water pumps, valves, and pipelines

• Knowledge of water treatment processes and equipment

• Familiarity with water quality testing and analysis

• Implemented preventive maintenance programs to ensure efficient operation of water systems

Organic chemistry is the branch of chemistry that deals with the study of carbon compounds.

• Organic chemistry focuses on the structure, properties, and reactions of carbon-containing compounds.

• It is a key discipline in the fields of pharmaceuticals, materials science, and biochemistry.

• Examples of organic compounds include sugars, proteins, fats, and hydrocarbons.

• Organic chemistry plays a crucial role in drug development and synthesis of new materials.

Provide coding based code for Mern Stack Developer interview

• Use Node.js for backend development

• Utilize Express.js for creating APIs

• Implement React.js for frontend development

• Use MongoDB for database management