Question

Pick out the wrong statement. Termination of polymerisation reaction occurs, if the

a.

catalyst supply is stopped.

b.

monomer supply is exhausted.

c.

impurities present in monomers interfere with the chemical reaction.

d.

two ends of a chain of molecules join.

Answer: (a).catalyst supply is stopped.

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Pick out the wrong statement. Termination of polymerisation reaction occurs, if the

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. A thin, flat & square plate measuring 2 m x 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m² . The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m² °C.

Q. The maximum value, which the residual stress in a material can reach is the __________ of the material.

Q. What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K ? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

Q. Which set of materials is used as a moderator in nuclear reactor ?

Q. Malleabilisation heat treatment is performed on

Q. For hardening high alloy steel, it is to be heated slowly and uniformly to avoid

Q. Disposable patterns are made of

Q. Grinding wheel made of silicon carbide is most suitable for grinding materials of low tensile strength (e.g; tough bronze). Grinding is a __________ operation.

Q. Which of the following is the most effective inhibitor of grain growth, when added in small quantity in steel ?

Q. A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.

Q. An ideal fluid is

Q. Which of the following is not found in iron-carbon equilibrium diagram ?

Q. Which of the following metals can not be extracted by pyrometallurgical process from its sulphide ore?

Q. Nitrogen compounds are not used in the manufacture of

Q. Stellite is a trade name for the

Q. Needles are produced by

Q. High __________ of cast iron makes it suitable for use in machine beds.

Q. Which of the following alloying elements reduces the formation of iron sulphide in steel ?

Q. In age-hardenable alloys, maximum ductility is obtained

Q. Prandtl mixing length in turbulent flow signifies the

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!