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 requirement to give RFlow when using RID detector?

3044

What is unsaponifiable matters?

1 5026

what happen when aminoacids react with alcohol

GVK, Reddy Labs,

1 6366

Is sonication essential in solubility testing of a drug substance?

Aurobindo,

6 16531

what is different between volumetric solution and general solution

1 18796

what is primary solution and secondary solution

2 8333

what is RI detector Cut-off Value

Mylan,

1 9918

In Related Substances Test how we can reside the limit of impurity ?

MSN Pharma,

2 11313

When i inject amines and acid on HPLC then which peak will elut first?

Sun Pharma,

4 13450

In pharmacopeal solibility parameter of a material, is et essential to test all paramete? If 70-75% parameter passes can we assess that the material is satisfactory or not?

Aurobindo,

1 5341

Why triethylamine and o-phosphoric acid used while setting pH of mobile phase during HPLC Analysis?

Hapten Healthcare, Pharmaceutical,

6 33654

why RID detector is used for selective materials like Mannitol, Hydroxyethyl Starch and Sorbitol?

5 12501

what is a primary standard? what is a secondary standard solutions?

Practical Viva Questions,

1 5877

for which type of applications gas chromatography is used?

2 6693

for which type of applications gas chromatography is used?

2 6477

Un-Answered Questions { Chemistry }

in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

729

Why is ammonium hydroxide added to the brass solution?

1250

calibrtion procedue of LC-MS

2683

How to calculate coreletion coefficient

1663

Why is ammonia-ammonium chloride buffer added?

1140

What is the function of diethyl amine?

1064

Define ph?

1091

What is column in chromatography?

2198

Which one of the following is not aromatic?

1370

What is related substance by HPLC impurity limits as per USP?

1060

write short note on stero electronic factor, steric control factor and product control factor

2025

Why ph scale range is 14?

1061

what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

9205

when are the result of sbi clerical come

2378

what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?

3653

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