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

Besides the extent of branching, can you think of any other structural parameters that might lead to differences in physical properties? : Polymer Chemistry

1313

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

1831

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

1195

How does the molecular-level structure of these polymers influence their physical properties? : Polymer Chemistry

1 2145

Examine samples of ldpe (sandwich bag, squeeze bottle) and hdpe (milk jug, grocery bag). What are some of the differences in the physical properties of these substances? : Polymer Chemistry

1190

A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry

1111

What are some of the polymers that you encounter every day? Describe their physical properties. : Polymer Chemistry

1138

Atactic polypropylene is always produced with the [cp2zr(r)]+ catalyst. Explain this on the basis of molecular-level interactions. : Polymer Chemistry

1103

What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry

1018

"Co-polymers" consist of two different monomers ("a" and "b") joined in an alternating fashion (ababab...). Block co-polymers also consist of two different monomers, but in this case blocks of polymer containing only a units are joined to blocks of polymer containing only b units (aaaaabbbbb...). How might block co-polymers be synthesized? : Polymer Chemistry

1104

Define corrosion? : Electrochemistry Corrosion

1136

Define an electro chemical cell. Give one example? : Electrochemistry Corrosion

1020

How an electrochemical is measured? Define emf of an electrochemical cell? : Electrochemistry Corrosion

1086

Write the significance of electrochemical series? : Electrochemistry Corrosion

997

What are the differences between chemical and electrochemical corrosion? : Electrochemistry Corrosion

1104

Un-Answered Questions { Sciences }

Considering the specific heat of aluminum is 0.21, iron is 0.10, and lead is 0.03, which metal will show the largest increase in temperature per calorie added to onegram of that metal?

986

why we have to use particular buffer only for dissolution instead of using cheap buffer.

2797

which flowers have no chance of being pollinated, bright colored flowers or white flowers?

1931

How to prepare serum from plasma?

3471

How would you feel about working with pathogens and carcinogens?

2105

What is the signi&cance of elisa?

417

Explain the differences between organic and inorganic chemistry?

1122

Give the IUPAC name for [Co(NH3)5Cl] SO4

1102

what are the methods to 'quantify' morphology change in siRNA treated cells ?

1891

Can you discuss the diagnostic criteria and treatment options for patients with prostate cancer?

Explain how does the odor of flower petals help pollination?

906

What is the name of a graffian follicle after it releases an egg, turns into a yellow body, and begins to secrete progesterone?

866

Will subsequent children have heart problems?

901

According to the watson – crick model how many polynucleotide chains does a dna molecule has?

1038

Explain the difference between living and non-living things?

931

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