Polymerisation of chloroethylene gives the polymer:
1. Polythene
2. PVC
3. Teflon
4. NPylon
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
Nylon-6, 10 is a polymer of:
1. Hexamethylene and adipic acid
2. Hexamethylene and sebacic acid
3. Caprolactam
4. None of the above
The polymer containing strong intermolecular forces, e.g., hydrogen bonding is:
1. Natural rubber
2. Teflon
3. Nylon-6,6
4. Polystyrene
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
Acrilan is a hard, horny and a high melting material. Which of the following represents its structure ?
1.
2.
3.
4.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
Melamine plastic crockery is a copolymer of:
1. HCHO and melamine.
2. HCHO and ethylene.
3. Melamine and ethylene.
4. None of the above.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
Bakelite is prepared by the reaction between
1. Urea and formaldehyde
2. Ethylene glycol
3. Phenol and formaldehyde
4. Tetramethylene glycol
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
Which one is protein fibre ?
1. Cotton
2. Rayon
3. Silk
4. Polyster
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
Synthetic human hair wigs are made from a copolymer of vinyl chloride and acrylonitrile and is called:
1. PVC
2. polyacrylonitrile
3. cellulose
4. dynel
Thermoplastics are:
1. Linear polymers
2. Soften or melt on heating
3. Molten polymer can be moulded in desired shape
4. All of the above
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
Match the polymer of column I with correct monomer of column II.
Column I Column II
(i) High density polythene (a) Isoprene
(ii) Neoprene (b) Tetrafluoroethene
(iii) Natural rubber (c) Chloroprene
(iv) Teflon (d) Acrylonitrile
(v) Acrilan (e) Ethene
(1) (i) → (e) (ii) → (c) (iii) → (a) (iv) → (b) (v) → (d)
(2) (i) → (a) (ii) → (c) (iii) → (e) (iv) → (b) (v) → (d)
(3) (i) → (b) (ii) → (c) (iii) → (a) (iv) → (e) (v) → (d)
(4) (i) → (e) (ii) → (d) (iii) → (a) (iv) → (b) (v) → (c)
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.