Mac Chem Products ADL Chemist Interview Questions and Answers

Q1. Tell me about yourself
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I am a dedicated chemist with a passion for research and innovation, specializing in organic synthesis and analytical techniques.
• Education: I hold a Ph.D. in Chemistry from XYZ University, focusing on organic chemistry.

• Experience: I have 5 years of experience in pharmaceutical research, developing new drug formulations.

• Skills: Proficient in techniques like NMR, HPLC, and mass spectrometry, which I used to analyze compo...read more
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Q1. HPLC chromatography
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Q2. Gas chromatography
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Q1. About your self tell me something
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I am a dedicated and experienced professional with a strong background in law enforcement.
• I have served as a police officer for 10 years, gaining valuable experience in crime prevention and investigation.

• I have received specialized training in crisis management and conflict resolution.

• I am skilled in using various law enforcement technologies and tools, such as surveillance systems and firearms.

• I have a proven track re...read more
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Q2. Why are you leave company
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I left the company to pursue new opportunities and challenges.
• Seeking career growth and advancement

• Looking for a more challenging role

• Exploring new industries or sectors

• Relocating to a different city or country

• Company downsizing or restructuring

• Personal reasons or family commitments
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Q1. What is pH meter , How to calibrate pH meter
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A pH meter is a scientific instrument used to measure the acidity or alkalinity of a substance. Calibration ensures accurate readings.
• pH meter measures the concentration of hydrogen ions in a solution

• Calibration involves adjusting the pH meter to known standard solutions

• Regular calibration ensures accurate readings over time
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Q2. Explain the parts of HPLC
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HPLC stands for High Performance Liquid Chromatography, which consists of a pump, injector, column, detector, and integrator.
• HPLC involves a pump to push the liquid solvent through the system.

• It includes an injector to introduce the sample into the mobile phase.

• The column separates the components of the sample based on their interactions with the stationary phase.

• A detector measures the amount of analyte in the eluent.

• ...read more
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Q1. What are the buffer used in HPLC
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Buffers commonly used in HPLC include phosphate buffers, acetate buffers, and citrate buffers.
• Phosphate buffers are commonly used in HPLC for separating acidic compounds.

• Acetate buffers are used for separating basic compounds.

• Citrate buffers are used for separating metal ions.

• Other common buffers used in HPLC include ammonium acetate and ammonium formate.
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Q2. How to calibrate HPLC
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HPLC calibration involves adjusting parameters to ensure accurate and reliable results.
• Prepare standard solutions of known concentrations

• Run the standard solutions through the HPLC system

• Compare the results to expected values and adjust parameters as needed

• Repeat the process until accurate and consistent results are obtained
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Q1. Introduce myself
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Q2. What skills do you have for this job?
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I possess strong communication, negotiation, and analytical skills essential for driving sales and building client relationships.
• Excellent communication skills: I can effectively convey product benefits to clients, as demonstrated in my previous role where I increased sales by 30%.

• Strong negotiation abilities: I successfully negotiated contracts that resulted in a 15% increase in profit margins for my last employer.

• Ana...read more
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Q1. Tell me about your self
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