Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

General Chemistry (478)
Chemistry AllOther (190)

Chemistry Interview Questions

Questions Answers Views Company eMail

Why we are use glass viscometer, and what is calculation manual calculation formula as per USP. How many types of viscometre in glass type viscometer.

Cipla,

2400

full name of OOS & OOT ? Dercribe it with details ? why this is needed in pharma industry ?

Orchid,

10 39124

can you pls provide chemistry previous papers for the post of trainee chemist in ap genco

2737

why KBr is used in FTIR SPECTROSCOPY and why is it necessary to triturate KBr during FTIR analysis?

Hikal, Lupin, Wockhardt,

25 124787

what is stability study ? why it is needed and how itis done

Dr Reddys, RB,

2 29254

how to prepare esters to aldehydes?

Biocon,

7 15279

What is hydrogenation reaction .What pressure should we use generally in hydrogenation reaction using auto clave?

Sun Pharma,

4 10403

what is the chemical composition of aluminium?

1 4581

why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?

7 29057

why the same column give different retention time in hplc?

7 17253

If solvent change in cystallisation it was major change or minor. pls give justification

3 5914

How will decide to use HPLC OR GC for developing method for unkown compund

5 16851

What is the major difference b/w Drift and Noise

Aurobindo, Dr Reddys, Reddy Labs,

4 39898

what king of work is done in Regulatory Affairs in Pharma industry ?

Quintiles,

3 15067

can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????

Cipla,

2 10198

Un-Answered Questions { Chemistry }

Fresh form of water is obtained from?

1227

What is the reaction that occurs during the titration?

1138

What is the difference between the photochemical reaction and photo-dynamic reaction?

2624

all types of questions asked at the cipla interview

4722

what is difference b/w "regio selectivity" & "sterio selectivity"

2497

what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

2682

effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

1011

Describe the historical significance of Protactinium's discovery and its naming.

709

Did anybody have method for acetyl cysteine effervescnce tablet

2303

Explain the function of mitochondria?

1130

what are the role of chemical education in sustainable development

2275

what is the syllabus for mahagenco recruitment drive for the post of chemist

3330

USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

2078

describe the lewis dot structure of Mg2+?

12059

what are the guidelines for analytical method validations?

1154

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