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 KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?

Aurobindo, GVK, Sohan Healthcare,

11 72579

Acid value defination is numbber milligrams of KOH required to nuetralise the acid present in one gram oil & fats but why not use NaOH for nuetralisation?

5 12134

what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

Neuland,

4540

What is the Column Endcaping in HPLC ?

Aptuit Laurus,

3 15514

When performing Moisture content how to you say only Methanol react with water not product Explain?

Orchid,

2 10509

why lead acetate s used in the Limit test of Arsenic? what role Lead Acetate plays????

1 17925

give me method of calculating co relation of coefficient for HPLC,SOR & ANY OTHER

1 4091

difference between pH & pOH ?

4 22342

why Nacl solution called as brine solution?

Infosys, ION Solutions,

3849

why is wick needed to burn a candle ?

3 5855

what is hollfman degradetion

4 13453

who is the father of sterio chemistry

GVK,

4 8696

what is purine metabolism

1 4992

what r the reasons to get peak telling?

Cipla,

6 16760

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

1 4267

Un-Answered Questions { Chemistry }

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 nothydrogen power does it ph?

1232

when are the result of sbi clerical come

2508

can i use hplc detector to uplc and why?

2354

what is the indicator used?

1078

What is the use of tlc and hplc? And when and where use?

1217

GIVE FTIR SAMPLING ASSESORY NAME.

2567

SET Examination Previous Questions

3743

Why are olefins (alkenes) good monomers for polymerization reactions? : Polymer Chemistry

1445

in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

890

Sr-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half life of 28.1 year. Calculate the first order rate constant for this nuclear decay and the fraction of 90Sr that remains after 10 half lives?

6324

How is hardness of water caused?

1180

Define what is avogadro’s law?

1124

Why is ammonia-ammonium chloride buffer added?

1224

what is the syllabus for mahagenco recruitment drive for the post of chemist

3330

Any one is alembic pharmaceutical ltd. On starting to job ?

1724

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