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

why we use pyridine to determine moisture content of acetonel

Lee Pharma,

2 14245

What impact analysis required for out of calibration and how to proceed

Aventis,

2 8871

Which type of analysis we have to done uv spectroscopy

2 9710

From where 16 or 5.545 is derived in theoretical plates calculation formula by USP or JP/BP/DAB and what is meaning of this coefficient and impact in calculation ?

Nectar Lifesciences,

2 12679

Does we get same value by LOD and KF titeration of a single sample

MSN Pharma,

3 7871

Which form of Sucores is harmfull to humans ?

2243

What is the difference between uplc and hplc

AAU Assam Agricultural University, Hetero,

4 26489

why should mostely use KH2PO4&K2HPO4 in HPLC?

Dishman, GVK,

1 7197

What is meaning of audit trail in hplc

DRL, Lee Pharma, Raks Pharma,

3 24877

i have 5liter 98% h2so4 now, i want to convert it in 92% by adding water....so...howmuch water i have to add ?

Infosys,

2 7210

How we can determine OOT limit in Stability

MSN Pharma,

2 14422

why we are using k2cr207 in uv calibration ? why we r not using kmno4?

Glochem, Sidmak Laboratories,

1 6736

can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

Cipla, XYZ,

2127

WHAT IS DIFFERENCE B/W MALTINGRANG/DSC

Glochem,

1 2738

Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

2134

Un-Answered Questions { Chemistry }

How are atoms of the isotopes different from one another? Two isotopes of carbon are carbon-12 and carbon-14.

953

Why six unit used for precision?

1275

Protactinium is a rare and highly radioactive element. How is its radioactivity utilized in various scientific and industrial applications?

597

Why is mercuric chloride added?

996

what is biorelivent dissolution media?

749

What is hybridyzation? How can we find that which type hybridyzation in perticular compound like in CH4(hy is sp3)?

1092

What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

7477

What is the principle of Thermal conductivity detector and FID?

2681

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

793

can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification

1783

can you email me because I have a report and I need you to answer these questions if you would like to if not I completely under stand.

2087

Discuss the potential medical applications of Protactinium isotopes in cancer treatment or imaging techniques.

523

How to calculate coreletion coefficient

1636

What is the atomic number?

946

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

686

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