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

955

What is the role of a catalyst? : Polymer Chemistry

1016

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

1172

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

1019

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

1036

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

1024

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

1014

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

1357

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

1395

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

1239

Why are metals often good catalysts? : Polymer Chemistry

964

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

1507

Why do different polymers have different properties? : Polymer Chemistry

1206

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

1732

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

1013

Un-Answered Questions { Sciences }

Does postraumatic stress mutate genes?

2258

Does seed germination affect plant growth?

980

Can you share an example of a case where a multidisciplinary approach led to improved patient outcomes?

What are some examples of interspecific competition?

356

Explain the Electrotransformation to lactobacillus delbrueckii ?

2019

Explain what is centrifugal force?

932

What are newton s laws of motion?

1058

Explain the typical conformation of the age pyramids of underdeveloped countries?

302

How old is this universe?

How are ph and pka related?

1107

What is the difference between simple and facilitated diffusion?

884

IN OOS SAMPLING ERROR HOW CAN WE ADDRESS , OR HOW CAN WE EXPLAIN AUDITOR ABOUT SAMPLING ERROR

2514

How do you find the refractive index of a liquid by using total internal reflection?

889

common characteristics of parrot, platybus and kangaroo

2871

What is immunoblotting?

569

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