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 5504

what does 50 denote in dowex 50 ????

2528

How to choose the which salt is suitable for mobilephase

Cipla, Ranbaxy,

3184

what is the difference between poolymer concrete and normal concrete

2186

What is quality controle.

6 11575

What is Standard deviation

Cipla,

2 12011

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

7 17885

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

4 27415

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

DRL, Glenmark, Orchid,

4 20772

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 5991

what is rs test why we are perfoming rs test

2 10592

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

Orchid,

3122

What is difference between silica used in TLC and HPLC column

Cipla, Meghmani Organics,

4 19597

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

Cipla,

7 19209

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 15050

Un-Answered Questions { Chemistry }

what is definition of validation? which components are followed give detail?

2302

What is wave number?

1080

describe the lewis dot structure of Mg2+?

11900

how you confirm the assay method?

727

Explain substituted hydrocarbon?

1005

Define hydra?

1029

Find out how to make artifacts the maxwell boltzmann theory of gases . ps. I don't speak English that well

1491

Explain the ionic equation for hcl-naoh?

968

which situation gc hs and gc als require to use?

733

Which form of Sucores is harmfull to humans ?

2254

Discuss the historical significance of Actinium and its discovery in the context of the periodic table.

633

How to choose the which salt is suitable for mobilephase

3184

how require to set assay concentration for standard and sample?

870

How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

3310

how much time require for day to prepare the ongc exam for evarage student?

2982

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