Chemistry AllOther Interview Questions
Questions Answers Views Company eMail

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

784

Why are metals often good catalysts? : Polymer Chemistry

560

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

969

Why do different polymers have different properties? : Polymer Chemistry

700

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

1228

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

587

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

676

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

1224

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

627

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

1 1260

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

715

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

606

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

685

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

574

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

584


Post New Chemistry AllOther Questions

Un-Answered Questions { Chemistry AllOther }

Define an isomer?

571


How to convert 673 kelvin into degrees centigrade?

564


Explain how can you tell if there is a dipole moment or not?

563


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

685


WHAT TYPE OF QUESTION ASK FOR POST SENIOR TECHNICAL ASSISTANT IN DRDO

7654






what is meaning of wet analysis.

5223


Explain the dipole moment direction for methanol?

637


What is a tripod?

643


What do you mean by redox reaction? : Electrochemistry Corrosion

460


Define ph?

636


Explain what is the chemical formula of detergent?

547


Name the element which was used to make the first atomic bomb?

597


Explain how many moles of hcl are present in .70 l of a .33 m hcl solution?

590


pls send me the solved paper of health & malaria inspector to santoshmaurya.087@radiffmail.com

2445


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

627