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प्रश्न
Match the polymers given in Column I with their main applications given in Column II.
| Column I | Column II |
| (i) Bakelite | (a) Unbreakable crockery |
| (ii) Low-density polythene | (b) Non-stick cookwares |
| (iii) Melamine-formaldehyderesin | (c) Packaging material for shock absorbance |
| (iv) Nylon 6 | (d) Electrical switches |
| (v) Polytetrafluoroethane | (e) Squeeze bottles |
| (vi) Polystyrene | (f) Tyre, cords |
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उत्तर
| Column I | Column II |
| (i) Bakelite | (d) Electrical switches |
| (ii) Low-density polythene | (e) Squeeze bottles |
| (iii) Melamine-formaldehyderesin | (a) Unbreakable crockery |
| (iv) Nylon 6 | (f) Tyre, cords |
| (v) Polytetrafluoroethane | (b) Non-stick cookwares |
| (vi) Polystyrene | (c) Packaging material for shock absorbance |
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संबंधित प्रश्न
Write the names of monomers of the following polymers.
Write the names of monomers of the following polymers:
Write the names of monomer of the following polymer:
How can you differentiate between addition and condensation polymerisation?
How is dacron obtained from ethylene glycol and terephthalic acid?
Name the monomers and the type of polymerization in each of the following polymers:
Bakelite
What is the significance of number of 6,6 in the polymer nylon-6,6?
Write the structures of monomers used the following polymers:
Nylon - 6, 6
Which of the following polymers can have strong intermolecular forces?
(i) Nylon
(ii) Polystyrene
(iii) Rubber
(iv) Polyesters
Which factor imparts crystalline nature to a polymer like nylon?
Assertion: Polyamides are best used as fibres because of high tensile strength.
Reason: Strong intermolecular forces (like hydrogen bonding within polyamides) lead to close packing of chains and increase the crystalline character, hence, provide high tensile strength to polymers
Perion is
Melamine is
Which is used for the formation of nylon – 6?
The polymer formed on heating Novolac with formaldehyde is ______.
Match List - I with List - II:
| List - I (Polymer) |
List - II (used for items) |
||
| (A) | Nylon 6, 6 | (I) | Buckets |
| (B) | Low density polythene | (II) | Non-stick utensils |
| (C) | High density polythene | (III) | Bristles of brushes |
| (D) | Teflon | (IV) | Toys |
Choose the correct answer from the options given below:
