Avik Pharmaceutical Quality Control Chemist QC Chemist Interview Questions and Answers

Q1. What is the calibration process for UV and HPLC instruments?
Ans. 
Calibration process for UV and HPLC instruments involves setting up reference standards, adjusting parameters, and verifying accuracy.
• Prepare reference standards for UV and HPLC analysis

• Adjust wavelength, detector sensitivity, and flow rate for UV instrument

• Run standard solutions to verify accuracy and make necessary adjustments

• Perform system suitability tests to ensure instrument performance meets requirements
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Q2. Reverse Phase vs Normal Phase Chromatography
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Reverse phase chromatography uses a non-polar stationary phase and a polar mobile phase, while normal phase chromatography uses a polar stationary phase and a non-polar mobile phase.
• Reverse phase chromatography is more commonly used in analytical chemistry for separating non-polar compounds, while normal phase chromatography is used for polar compounds.

• In reverse phase chromatography, the more non-polar compounds elute...read more
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Q1. Self introduction
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Q1. What is organic chemistry, wt is ph, what is tlc, what is polar non polar solvents, how to prepare 1N hcl,1NnaoH, formulas of Acidsetc
Ans. 
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 ...read more
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Q2. Chemical name of AA, chemical structures , named reactions like grignald reaction
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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 synthesi
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Q3. Densitys of solvents
Ans. 
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).
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Q1. What is your prasent working status
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Q2. Why you're join our company
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Q1. In this round testing Chemistry basic knowledge like what is pH
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Q2. Deference between acid and base
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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
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Group discussion can be conndecte with hr and maladi drugs other member wil be discussed

Case study details in which face to face interview will be conduted

Aptitude test can be personal knowledage and jobking skill communcation skil

The pharamectical maladi drug assignment will be very great benefits

Q1. Techenical realted job will be provided
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Q2. The interview question good benfits
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Q3. The interview question in which benefits chemistry job
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Coding test it can be drugs deliververed main using codeword test will be conducted

Q1. Direct appoiement in which benfits
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Direct appointment offers various benefits to the employee.
• No need to go through the lengthy recruitment process

• Immediate start of work

• Assured job security

• Opportunity to negotiate salary and benefits

• Chance to work with a reputed organization
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Q1. General basic questions about lod, ppm,Ash,uv, ir,HPLC etc
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