|
A monomer of a polymer upon ozonolysis gives one mole of methylglyoxal and two moles of formaldehyde
|
|
1
|
2674
|
November 5, 2016
|
|
Differentiate between rubbers and plastics on the basis of intermolecular forces
|
|
0
|
3489
|
November 5, 2016
|
|
Give an example of polyester used as a synthetic fibre
|
|
1
|
3063
|
November 5, 2016
|
|
How does the presence of double bonds in rubber molecules influence their structure and reactivity?
|
|
0
|
3047
|
November 5, 2016
|
|
Write the names of monomers of the following polymers:
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|
1
|
3674
|
November 5, 2016
|
|
Which of the following polymers soften on heating and harden on cooling?
|
|
1
|
3687
|
November 5, 2016
|
|
A natural linear polymer of 2-methyl-1,3 butadiene becomes hard on treatment with sulphur
|
|
1
|
2796
|
November 5, 2016
|
|
Can nucleic acid, protein and starch be considered as step growth polymers?
|
|
0
|
2188
|
November 5, 2016
|
|
Why should the monomer used in addition through free radical pathway be very pure?
|
|
0
|
2094
|
November 5, 2016
|
|
How is the following resin intermediate prepared and which polymer is formed by this monomer unit?
|
|
1
|
3109
|
November 5, 2016
|
|
Why propene polymerises in isotactic,
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|
1
|
863
|
November 5, 2016
|
|
Could a copolymer be formed by both addition polymerisation and condensation polymerisation?
|
|
1
|
2988
|
November 5, 2016
|
|
Arrange the following polymers in the increasing order of their intermolecular forces
|
|
1
|
1433
|
November 5, 2016
|