Sciences Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Sciences Interview Questions

Questions Answers Views Company eMail

What the postulates of planck’s quantum theory? : quantum physics

974

What is the role of a catalyst? : Polymer Chemistry

1029

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

1193

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

1034

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

1048

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

1036

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

1019

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

1371

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

1407

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

1250

Why are metals often good catalysts? : Polymer Chemistry

972

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

1515

Why do different polymers have different properties? : Polymer Chemistry

1216

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

1741

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

1026

Un-Answered Questions { Sciences }

what defines herbs from other plants?

1962

Tell me what type(amount) of capacitors are used in fan?

914

Tell me how many moons do ceres have?

105

What is competition?

384

For which nematode problem would you suggest use of a genetically resistant cultivar and why?

1946

besides Signal & noise ratio how calculating LOD & LOQ?

4258

Explain hypersensitive reactions?

425

What is curvilinear motion?

969

What is the meaning and objective of environmental education ?

HOW MANY UNITS ARE CONSUMED DURING 1 HR BY 1.5 TON A/C

2179

What are the typical vegetation and the typical fauna of the taigas?

396

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

3492

How is brass solution prepared?

1131

Colorimtry

1672

why the blood cholesterol level of birds is very high ?

2099

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