Bio Scientific Research Laboratories QC Chemist Interview Questions and Answers

What is your qualifications. What's working in lab

Q1. Tell me about your self
Ans. A I am Ashish Kumar. My Qualification is Bsc (Chemistry Honours)
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Q2. What to do work I lab
Ans. 
I do four types Titration,Coal testing, Moisture testing, solution preparation,pH meter Callibration, Injection Moulding,Two roll Mill,..etc
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Q3. Titration,pH Meter Callibration, COA Preparation Solutions Preparation Water testing,Karl Fishcher,Coal testing etc...
Ans. 
Yes I do four types of Titration, and pH meter Callibration, water testing -Hardness, pH ,TDS
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Q4. Full form of pH?
Ans. 
pH stands for 'potential of hydrogen'.
• pH is a measure of the acidity or alkalinity of a solution.

• It is a logarithmic scale ranging from 0 to 14.

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

• pH is determined by the concentration of hydrogen ions in a solution.

• It is commonly used in chemistry, biology, and environmental science.
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Q5. How many types of Titration?
Ans. 
There are several types of titration used in chemistry.
• Acid-base titration

• Redox titration

• Complexometric titration

• Precipitation titration

• Non-aqueous titration

• Back titration

• Direct titration

• Indirect titration
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Q6. What is Titration type name
Ans. 
Titration is a technique used in chemistry to determine the concentration of a substance in a solution by reacting it with a known solution of another substance.
• Titration is a common method used in analytical chemistry.

• It involves adding a solution of known concentration (titrant) to a solution of unknown concentration (analyte) until a reaction between the two is complete.

• The point at which the reaction is complete is...read more
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Q7. What is your current CTC? 3.2 Lacs
Ans. 
My current CTC is 3.2 Lacs.
• My current CTC is 3.2 Lacs.

• I am currently earning 3.2 Lacs per annum.

• My current salary package is 3.2 Lacs.

• I am currently being paid 3.2 Lacs as my annual compensation.
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Q1. Define Suzuki coupling reaction
Ans. 
Suzuki coupling reaction is a cross-coupling reaction between an organoboron compound and an organic halide catalyzed by a palladium catalyst.
• Involves the coupling of an organoboron compound with an organic halide

• Catalyzed by a palladium catalyst

• Forms a new carbon-carbon bond

• Widely used in organic synthesis

• Example: Coupling of phenylboronic acid with bromobenzene
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Q2. NMR chemical shift values
Ans. 
NMR chemical shift values are unique for each type of atom in a molecule and are influenced by surrounding chemical environment.
• Chemical shift values are measured in parts per million (ppm) relative to a standard reference compound.

• Different types of atoms (e.g. hydrogen, carbon) have characteristic chemical shift ranges.

• Chemical shift values can be influenced by factors such as neighboring atoms, functional groups, an
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Basic knowledge about chemistry

Q1. Strength, weakness and explain job role
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Q1. Functional group, compound structure and name , it's molecular weight,
Ans. 
Functional group, compound structure, name, and molecular weight are key aspects of organic chemistry.
• Functional group: Determines the chemical properties of a compound.

• Compound structure: Shows how atoms are arranged in a molecule.

• Name: Identifies the compound based on its structure and functional groups.

• Molecular weight: Sum of the atomic weights of all atoms in a molecule.
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Q2. Normality, molarity, Beer Lambert's law, and other basic questions
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Q1. Which type of catalyst used for coupling reaction
Ans. 
Various types of catalysts can be used for coupling reactions, including transition metal catalysts, organometallic catalysts, and biocatalysts.
• Transition metal catalysts, such as palladium, nickel, and copper catalysts, are commonly used for coupling reactions.

• Organometallic catalysts, such as Grubbs catalysts or Schrock catalysts, can also be employed in certain coupling reactions.

• Biocatalysts, such as enzymes, can c...read more
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Q2. Conversion to cyano to amine, cyano to aldehyde, alcohol to amide, alkynes to aldehyde.
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Q1. Can you describe NMR and how to interpret data
Ans. 
NMR is a technique used to analyze the structure and purity of molecules by measuring the magnetic properties of atomic nuclei.
• NMR stands for Nuclear Magnetic Resonance and involves applying a magnetic field to a sample to measure the resonance frequencies of atomic nuclei.

• Interpreting NMR data involves analyzing the chemical shifts, coupling constants, and peak integrations to determine the structure and purity of the...read more
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Q1. A situation where you were met under timed conditions and resolved that problem
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What is your qualifications. What's working in lab

Q1. Tell me about your self
Ans. A I am Ashish Kumar. My Qualification is Bsc (Chemistry Honours)
Answered Anonymously
Add your answer
Q2. What to do work I lab
Ans. 
I do four types Titration,Coal testing, Moisture testing, solution preparation,pH meter Callibration, Injection Moulding,Two roll Mill,..etc
Answered Anonymously
Add your answer
Q3. Titration,pH Meter Callibration, COA Preparation Solutions Preparation Water testing,Karl Fishcher,Coal testing etc...
Ans. 
Yes I do four types of Titration, and pH meter Callibration, water testing -Hardness, pH ,TDS
Answered Anonymously
Add your answer
Q4. Full form of pH?
Ans. 
pH stands for 'potential of hydrogen'.
• pH is a measure of the acidity or alkalinity of a solution.

• It is a logarithmic scale ranging from 0 to 14.

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

• pH is determined by the concentration of hydrogen ions in a solution.

• It is commonly used in chemistry, biology, and environmental science.
Answered by AI
View 2 more answers
Q5. How many types of Titration?
Ans. 
There are several types of titration used in chemistry.
• Acid-base titration

• Redox titration

• Complexometric titration

• Precipitation titration

• Non-aqueous titration

• Back titration

• Direct titration

• Indirect titration
Answered by AI
View 2 more answers
Q6. What is Titration type name
Ans. 
Titration is a technique used in chemistry to determine the concentration of a substance in a solution by reacting it with a known solution of another substance.
• Titration is a common method used in analytical chemistry.

• It involves adding a solution of known concentration (titrant) to a solution of unknown concentration (analyte) until a reaction between the two is complete.

• The point at which the reaction is complete is...read more
Answered by AI
View 1 more answer
Q7. What is your current CTC? 3.2 Lacs
Ans. 
My current CTC is 3.2 Lacs.
• My current CTC is 3.2 Lacs.

• I am currently earning 3.2 Lacs per annum.

• My current salary package is 3.2 Lacs.

• I am currently being paid 3.2 Lacs as my annual compensation.
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My interview conducted on vertual mode

Q1. Oxidation reduction base
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Q2. Function group interconversion
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Q3. Spectroscopy NMR IR most of q
Ans. 
Spectroscopy techniques NMR and IR are commonly used in chemistry research and analysis.
• NMR (nuclear magnetic resonance) spectroscopy is used to determine the structure and composition of molecules by analyzing their magnetic properties.

• IR (infrared) spectroscopy is used to identify functional groups in molecules by analyzing their absorption of infrared radiation.

• Both techniques are non-destructive and can be used to ...read more
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