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

how much tds is ok for drinking water

1 5497

1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv

3 12947

what is the principal of malvern particle sizer & its used in pharma industry

3 9336

what is the difference between system precision and method precision?

Teva Pharmaceuticals,

3 36966

In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?

Teva Pharmaceuticals,

2 7664

How we can differentiate between oxalic acid and tartaric Acid?

5 14479

why we use sulphuric acid in the experiment of measure absorpance of K2Cr2O7 and KMnO4?

1 5853

how can karl fischer's titration be used to estimate alcohols??????

2731

what is difference between moisture contents and water contents ?

Cipla, Hetero, USM,

12 60078

pH is having unit?

Cipla,

8 13275

What is the easiest, (Less compound mixtures, basically), way to make coca.. ;)

2324

In GC, What does 'Column condensation test' mean by?

Reddy Labs,

2 11581

same sample on two preapration gives differnt result during hplc analysis

3 8453

what is titrent,& titrate

Graviti Pharmaceuticals,

2 13767

Why we are using a Kf Factor range 4 to 6

7 60793

Un-Answered Questions { Chemistry }

Why is acetic acid added?

1164

How to convert 673 kelvin into degrees centigrade?

1091

Why is the color of the indicator drop remains the same at the end point?

1228

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

1106

whether ter weight is require when doing the water standerdisation

2004

function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2669

What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry

1183

How are ph and pka related?

1107

Define electro plating and electroless plating? : Electrochemistry Corrosion

1053

Actinium-227 can decay into Thorium-227. Explain the significance of this decay chain and its applications, particularly in nuclear physics.

670

which cationic polymer is compatible with poly aluminium chloride?

2504

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 appearance? suggest?

1898

As a chemist working with Protactinium, what safety measures and precautions would you take due to its radioactivity?

574

What is the difference between fractionation and distillation?

1126

if you have given one product then how you determine the impurity in that?

739

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