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

Explain What is a base line in GC and HPLC?

Meghmani Organics,

2 4441

if relative response factor is 1.07, to select how much value

Natco,

1 4447

What is the use of ELSD in HPLC?

Anthem,

3 6626

Why pH limited in between 1 to 14

3 4288

What is difference between FID and TCD in gas chromatography

Cipla, VPCPL,

1 10449

What is the difference between high pressure gradient and low pressure gradient in hplc?

Cipla,

1 7312

what is dwell volume in HPLC?

Aurobindo, Cadila, Strides, SUN, Sun Pharma,

2 7952

what does pH stand for?

Orchid,

4 8507

why the pH scale range is 0-14?

Clariant, MIU, Torrent Pharma,

1 3139

What is principle of polarimetre

Aurobindo,

1 3469

Definition of beers_ lamberts law

Aarti Industries, Agio Pharmaceuticals, Emcure, Supriya Lifescience,

4 8385

Why monograph of hplc coming upperside of drift but in IR monograph coming in drift side?

1 4196

Why a1% value is used for some product ? What is the criteria for selection a1% value ?

Zim Laboratories,

2350

Why the ph limit (1_14) Is used?

Cipla,

3 8389

why we use holomium oxide for UV calibration ?

Al Razi Pharmacy,

2 4922

Un-Answered Questions { Chemistry }

CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

1215

Why is ammonia solution added while preparing edta solution?

1392

describe the lewis dot structure of Mg2+?

11991

function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2675

What is the composition of Barford Reagent?

2134

What is bed worth rule? : Electrochemistry Corrosion

1037

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

652

What is ciprofloxacin hcl?

1050

Give the principle of potentiometer titration.

1039

Tell me the common name of the molecule dihydrogen dioxide?

1045

How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

739

Arrange by acidic values : phenol, nitrotolouene and o-cresol?

1084

in sampling of raw material which side is pasted sampled labels

1848

[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?

798

Name the molecule which is characteristically prevalent in sour milk and tired muscles?

1012

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