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 diffrence between absorbance and absorption in the beer,s lamber formula ?

2 11325

one gram of which below elements has the most atoms in its? a) H b) D C)T D) He

4 7466

0.1 atom gram of the unknown element( X)reacts with 2.4 gram of O2 to produce the oxid product . can you tell us, what is the oxid formula ? a) XO b)X2O3 c)XO2 D) X2O4

Ajanta,

1 4200

what is meant if aluminium sulfate contains 30% basicity?

2241

why PH scale range is 14? why it is not less or not greater than 14? solution of HCl or hydrogen containing liquid has a PH. but if the solution is KMnO4 here not hydrogen power does it PH? explain plz....

4 25447

why in atomic mass electron is not include while proton and neutron include? although electron is a part of atom.

2 5939

To make phosphorus tetraoxide from phosphorus why pure oxygen isn't taken and why mixture of oxygen and nitrogen is taken?

2630

Why we use Uracil for HPLC calibration in Detector wave ength accuracy test?

5 26637

k.f principle in finding out moisture content

1 13468

why we are carrying standardization of karl fisher auto titrator with water and disodium tartarate.

1 5686

What is difference btw UV detector & RID detector

4 19490

What's the importance of these procedures?

1 5161

How precise should be the linearity in HPLC method validation?

Glenmark,

3 11981

what should be the precision during technology transfer?

Glenmark,

3 9535

why we use vanillin in melting range calibration

3 14922

Un-Answered Questions { Chemistry }

Why is glass electrode called an ion selective electrode?

1051

How a balanced equation can be used to find the mass or volume of an unknown quantity in a stoichiometry?

2654

why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

1756

Principle of single pan analytical balance

5198

What is the difference between Assay and Purity?

1608

Difference between the quantitative analysis and qualitative analysis?

1251

IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

2511

What kinds of structural changes accompany bond-breaking and bond-forming in olefin polymerization? : Polymer Chemistry

1880

what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

4540

Write the each half cell reaction and also net cell reaction for a cell

2976

Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not?

2455

Write the significance of electrochemical series? : Electrochemistry Corrosion

1042

seminal on pyrimidine

2248

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

870

Protactinium has potential applications in nuclear reactors. Could you elaborate on its role in enhancing reactor efficiency or safety?

714

For More Un-Answered { Chemistry } Questions Click Here