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Chemistry Interview Questions
Questions Answers Views Company eMail

What does stp stand for?

1 1872

What is the role of a catalyst? : Polymer Chemistry

1070

Polymer chain growth can be terminated by b-hydride elimination or by reaction with h2. What is one advantage of the h2 reaction? : Polymer Chemistry

1233

What is the nature of the bonding interaction between a metal and an olefin? : Polymer Chemistry

1083

What does it mean for a molecule or a ligand to be "chiral"? What properties does chirality impart to a molecule? : Polymer Chemistry

1104

Explain what is meant by "c2 symmetry" and "mirror plane symmetry". Can a molecule with "mirror plane symmetry" ever be chiral? : Polymer Chemistry

1082

How would you describe the orientation of the ligands around the zr center in the homogeneous zirconium catalyst? : Polymer Chemistry

1066

Consider the polymerization of 1,2-dichloroethylene, h(cl)c=c(cl)h. What structural variations are possible in poly(1,2-dichloroethylene)? : Polymer Chemistry

1419

Why are olefins (alkenes) good monomers for polymerization reactions? : Polymer Chemistry

1445

Does ethylene polymerize under mild conditions in the absence of a catalyst? : Polymer Chemistry

1289

Why are metals often good catalysts? : Polymer Chemistry

1023

Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry

1565

Why do different polymers have different properties? : Polymer Chemistry

1273

How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry

1781

Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry

1073


Un-Answered Questions { Chemistry }

what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

10070


Consider the polymerization of 1,2-dichloroethylene, h(cl)c=c(cl)h. What structural variations are possible in poly(1,2-dichloroethylene)? : Polymer Chemistry

1419


Define what is avogadro’s law?

1124


Protactinium is a rare and highly radioactive element. How is its radioactivity utilized in various scientific and industrial applications?

709


why salisylic acid not using now days for disdolution calibration?

844


How to calculate coreletion coefficient

1773


Protactinium-233 can be bred from Thorium-232. Describe the process of breeding Protactinium-233 and its significance for nuclear fuel production.

691


What is the nature of the bonding interaction between a metal and an olefin? : Polymer Chemistry

1083


can you pls provide chemistry previous papers for the post of trainee chemist in ap genco

2737


How does the viscosity vary with temperature?

1140


what things are suitable for investigatory project?

2790


What is glacial acetic acid?

1115


Why are the titration involving edta carried out slowly towards the end point?

1247


how require to interprit the method precision data of hptlc?

875


if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

739