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 acidity of a base?

2 5646

what does 50 denote in dowex 50 ????

2570

How to choose the which salt is suitable for mobilephase

Cipla, Ranbaxy,

3250

what is the difference between poolymer concrete and normal concrete

2261

What is quality controle.

6 11786

What is Standard deviation

Cipla,

2 12148

When you get Moisture content by KF higher than by LOD, what does this indicate?

7 18166

what is deference b/w the working standard and reference standard

4 27584

How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance

DRL, Glenmark, Orchid,

4 20960

Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?

Orchid,

1 6068

what is rs test why we are perfoming rs test

2 10741

In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

Orchid,

3178

What is difference between silica used in TLC and HPLC column

Cipla, Meghmani Organics,

4 19781

Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?

Cipla,

7 19482

When we r doing processing method for sst in Empower software by HPLC, What value has to give in void volume and as per which pharmacopia!

Micro Labs, Mylan,

5 15270

Un-Answered Questions { Chemistry }

hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.but our company didn't give d OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents along with sample RESUME,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com

2911

If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?

987

Define electro plating and electroless plating? : Electrochemistry Corrosion

1057

Why purity angle should be less than purity threshold in peak purity

4248

What is the reaction that occurring between fas and potassium dichromate?

1280

How do we fix the sample concentaryion in hplc method development?

1140

Name the 4 physical states of matter?

1058

how to develop the icp ms method? Application of icp ms?

812

how the compound separate in coulunm,explain

2533

WHAT IS THE USE OF STARTER ?????????

2425

If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?

2302

what is the difference between poolymer concrete and normal concrete

2261

What is polar hcl?

1086

In HPLC (Waters) software Empower1,2 &3 what is the updation for each version

3032

How hydrate is forming along with API?

2325

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