POLYMERS Quiz-7
Dear Readers,
IIT JEE exam which consists of JEE Main and JEE Advanced is one of the most important entrance exams for engineering aspirants. The exam is held for candidates who are aspiring to pursue a career in the field of engineering and technical studies.
Chemistry is important because everything you do is chemistry! Even your body is made of chemicals. Chemical reactions occur when you breathe, eat, or just sit there reading. All matter is made of chemicals, so the importance of chemistry is that it's the study of everything..
Q1.The turbidity of a polymer solution measures: :
Solution
option c
option c
Q2.Peptide bond is a key feature in:
Solution
option b
option b
Q3.The formation of polyethylene from calcium carbide takes place as follows:
Solution
option d
option d
Q4.Free radical polymerisation requires a free radical initiator. The most commonly used free radical initiator is:
Solution
option a
option a
Q5.Which one of the following is used to make 'non-stick' cookware?
Solution
option d
option d
Q6.Synthetic human hair wigs are made from a copolymer of vinyl chloride and acrylonitrile, which is called:
Solution
option d
option d
Q7.
Solution
option b
option b
Q8. Zeigler-Natta catalysts
-
Are triethylaluminium titanium tetrachloride complex
- TAre used to prepare stereospecific addition polymers
- Are employed to have stereochemical control of the polymerisation process
- All the above
Solution
option a
option a
Q9.Which of the following is a fully fluorinated polymer?
Solution
option b
option b
Q10. If N1,N2,N3,… are the number of molecules with molecular masses M1,M2,M3,…, respectively, the number, Z-average molar mass (M¯z) is defined as:
Solution
option c
option c
