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

what is the diffrence between absorbance and absorption in the beer,s lamber formula ?

2 11208

one gram of which below elements has the most atoms in its? a) H b) D C)T D) He

4 7313

0.1 atom gram of the unknown element( X)reacts with 2.4 gram of O2 to produce the oxid product . can you tell us, what is the oxid formula ? a) XO b)X2O3 c)XO2 D) X2O4

Ajanta,

1 4120

what is meant if aluminium sulfate contains 30% basicity?

2167

why PH scale range is 14? why it is not less or not greater than 14? solution of HCl or hydrogen containing liquid has a PH. but if the solution is KMnO4 here not hydrogen power does it PH? explain plz....

4 25279

why in atomic mass electron is not include while proton and neutron include? although electron is a part of atom.

2 5800

To make phosphorus tetraoxide from phosphorus why pure oxygen isn't taken and why mixture of oxygen and nitrogen is taken?

2555

Why we use Uracil for HPLC calibration in Detector wave ength accuracy test?

5 26403

k.f principle in finding out moisture content

1 13380

why we are carrying standardization of karl fisher auto titrator with water and disodium tartarate.

1 5594

What is difference btw UV detector & RID detector

4 19325

What's the importance of these procedures?

1 5075

How precise should be the linearity in HPLC method validation?

Glenmark,

3 11820

what should be the precision during technology transfer?

Glenmark,

3 9375

why we use vanillin in melting range calibration

3 14792

Un-Answered Questions { Chemistry }

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

3253

What makes a molecule into organic molecule?

1251

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

1140

how you confirm the assay method?

772

WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

2578

why we not use caffeine at 205nm for hplc calibration?

3313

Explain why acetic has less conductivity than hcl?

1039

What forms the basis for colorimetric determination?

1184

Define an origin of electrode potential? : Electrochemistry Corrosion

1065

We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

1719

describe the lewis dot structure of Mg2+?

11987

what is third integration

1976

Which form of Sucores is harmfull to humans ?

2308

what is procedure of actual procedure for registration of drug?

2012

What is the role of stannous chloride?

1381

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