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 5789

what does 50 denote in dowex 50 ????

2617

How to choose the which salt is suitable for mobilephase

Cipla, Ranbaxy,

3304

what is the difference between poolymer concrete and normal concrete

2312

What is quality controle.

6 12009

What is Standard deviation

Cipla,

2 12275

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

7 18482

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

4 27713

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

DRL, Glenmark, Orchid,

4 21144

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 6152

what is rs test why we are perfoming rs test

2 10875

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

Orchid,

3226

What is difference between silica used in TLC and HPLC column

Cipla, Meghmani Organics,

4 19972

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

Cipla,

7 19717

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 15487

Un-Answered Questions { Chemistry }

Differentiate between organic and inorganic chemistry?

1077

What is paint? : Electrochemistry Corrosion

1092

why xterra column require to use at higher ph?

976

What is the process for the removal of salts from brackish water or seawater to make it usable?

1081

What are the products formed after cod analysis?

1421

How to convert -40 of into centigrade?

1095

Why we use DPPH in ESR and DPH in fluorescence spectroscopy?

2650

How we can identify process related and degradation impurity in single method with short period?

870

we shall use Dichloromethane in last stage of API.

3138

how do you make a amine sugar

2430

How does Actinium interact with other elements, and what are some notable chemical reactions or compounds involving Actinium?

677

What is polar hcl?

1143

What is the atomic number?

1061

Explain the ionic equation for hcl-naoh?

1084

Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

1762

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