Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

a bottle of concerntrated HCL (36.5) was labelled as 37% (w/w) and density 1.19m/l.What is hcl molarity?

8 38982

all types of questions asked at the cipla interview

Aurobindo, Calyx, Cipla, Graviti Pharmaceuticals,

4122

In acid base titration, after complet consumption of HCl by NaOH, addition of next drop of NaOH will give pink colour with phenolpthalein indicator. Why this pink colour appear? Why not blue, black, green or anything elese?

3 10194

Why we are using only KBr in IR spectrometer why not KCl

Dr Reddys,

10 32231

why potassium dicromate use in calibration of UV VIIBLE SPECTROCOPY ?

3 7259

how to pepare 6.8 pH phosphate buffer

10 78211

what is pK & pKa value

3 12404

what is range of Vivible UV ? What is UV& Vivible spctroscopy use for ?

6 10717

What r the limitatoins of uv visible spectroscopy ? Why Water use in blank standard for uv visible spectroscopy ?

Cipla, Reddy Labs,

4 39552

What is difference between Primary and secodary reference standard?

2 18480

WHAT IS UNIT OF ABSORBANCE AREA IN HPLC OR UV DETECTER

8 24576

why phenolpthalin gives pink colour when we titrate aganist sodium hydroxcide & phenolpthalin gives colourless titrate aganist hydrochlric acid which is un burate

1 4640

what is mass spectra ? why it is necessary ?

1 5128

difference between IR & NMR spectroscopy ?

9 38363

what v define from IR & NMR spectroscopy ?

Sun Pharma,

2 7284


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

What if impurity area in control sample coming more as compared to LOQ level of impurity ?

1112


Principle of single pan analytical balance

4576


What should be the level/ Percentage of Arsenic in Arsenic free zinc.

1735


mahagenco syllabus for the post of chemist

5715


If vendor having more imp than monograph then how to proceed? and how to set spec?

311






Which are the diffrent grades of api in pharma?

286


What is stray light in uv what are units for stray light

992


what is procedure of actual procedure for registration of drug?

1432


in which situation ion pair agent require to use?

243


is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

1623


Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

2256


How to determine water content of bis tetrazole amine mono ammonium salt

2938


What is similarity factor?

691


What is the difference between purge septum flow and column flow in gas chromatography?

1802


WHAT IS THE USE OF STARTER ?????????

1872