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

how to find concentration of the any chemical composite in mole

1 4414

How much sample concentration should i inject against diluted standard in related substances for drug product in hplc analysis

Apotex,

1 4545

how to prepare 25 ppm acetone. explian with formula

4 17856

why sucrose not used in polarimeter calibration?

Cipla,

2 10823

What is the diffeence between assay and uniformity of content

2 10084

why ur using toulene in hexane in u.v calibration?

Biological.e.limited, Cipla,

3 30011

why urasil use in hplc column perfomance?

Bayer,

1 9007

how do you perform reverse enginearing study for drug containing sodium chloride sodium citrate sodium bicarbonate

Strides,

1 4549

How will u perform degradation study in detectors other thann PDA in HPLC Methodology

Adley, Micro Labs,

2543

WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2607

what is the working priniciple of ph, what are parts in ph meter

1 10090

why using the ph 4,7,9.2?

SRF,

1 6163

What is Temperature ?

Reddy Labs,

2 10648

What is the column performance and column efficiency?

Reddy Labs,

1 11093

why we are using in ph calibrations ph4,7,9.2 buuffers only?

Reddy Labs, Unichem,

3 17847

Un-Answered Questions { Chemistry }

Do all explosions produce carbon dioxide or carbon monoxide?

1118

what is mean by ambient temperature?

916

What is the purpose of octyl silane columns?

4290

Define electrochemical series? : Electrochemistry Corrosion

1007

Define an isomer?

1005

what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?

2677

why we use a particular hplc column for a particular compound give reasons?please

2750

Explain the secondary structure of proteins?

991

How require to perform linearity as per ANVISA? What are the acceptance criteria?

1334

What is polar hcl?

1084

Principle of single pan analytical balance

5140

a sample of gas occupies a volume of {450.0 ml}at {740 mm Hg}and[16C]determine the volume of this same sample at [760 mm Hg]and [37c]?

5027

What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

8862

What is viscosity-coefficient of a liquid?

1414

why is acetic acid less conductive than hcl?

1159

For More Un-Answered { Chemistry } Questions Click Here