Chemistry Interview Questions
Questions Answers Views Company eMail

WHY pKa value is more important than pH value of the mobile phase in HPLC?

1231

Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1132

For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

1215

In Assy by potentio metry titration method how select MET U ,DET U, SET U,

1278

in sampling of raw material which side is pasted sampled labels

1224

why holium oxide prepared in 10% HCLO4 SOLUTION

967

Why 162 mg NaOH used for 1N volumetric solution in 150 ml water then 54.5 ml diluted with 1000 ml

1319

What is the importance of rrf in rs by HPLC?

1 2263

Barc in chemistry

816

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

Flipkart, Wipro,

601

What is the resulting solution when benzene and toluene are mixed ?

Flipkart, Wipro,

559

Which Formula Forms A Link Between The Thermodynamics And Electro Chemistry?

Godrej,

613

Why use only methanol,used determinationof moisture content not use other solvents

847

Why does a freely suspended magnetic needle always point North and South ?

1 791

Explain the ANS Isotope?

1 905


Un-Answered Questions { Chemistry }

How is the viscosity of liquid related to its mobility?

825


hi i am siva icompleted m,sc in organic chemistry in 2008&working as alecturer can u send me the interview qusetions with answers . i expected that i got 135 - 140 marks is there any chance to get selection my interview is on may 7th 2010

1621


in stress study if your api not soluble in hcl naoh h2o2 then what require to do?

290


How we choose the mobile phase for method development.?

625


In what ways can Actinium be used in conjunction with other elements or compounds to create new materials or compounds with specific properties?

109






Why are the titration involving edta carried out slowly towards the end point?

704


Shall i get the model question papers for junior lecture of Andhra pradesh

2295


How many electrons does benzene have?

566


What is the range of uv & vis lamp in spectrophotometer?

652


what is the relation between Total organic carbon and Chemical Oxygen demand?

2381


What is the difference between volumetric solutions and test solutions

2534


Why is sulphuric acid added during the preparation of standard fas solution?

549


As per ICH related substances stability trend limit from initial to shelf life

2632


Why is eriochrome black t indicator cannot be used in this experiment?

652


iam usig ph buffers merk. manually how to prepare ?

1757