Q. Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their

View solution

Q. Which of the following is not a natural fibre?

View solution

Q. Polyurathane can not be used to make

View solution

Q. Terylene is

View solution

Q. Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties.

View solution

Q. Bakelite (phenol-formaldehyde) resin can not be used as

View solution

Q. Adipic acid is an intermediate in the manufacture of

View solution

Q. Softening point of high density polythene is about __________ °C.

View solution

Q. Polymerisation of poly functional monomers produces polymers having

View solution

Q. Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature.

View solution

Q. Which of the following is an inorganic polymer ?

View solution

Q. __________ moulding is used for shaping of thermosetting plastics exclusively.

View solution

Q. Bristles of tooth brushes are made of

View solution

Q. Pick out the wrong statement.

View solution

Q. Starting material for the production of butadiene in India is

View solution

Q. Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used

View solution

Q. The monomer for the production of neoprene rubber is

View solution

Q. A copolymer is formed by the combination of two or more monomer molecules

View solution

Q. Thermoplastic resins usually

View solution

Q. Linear polymers are normally

View solution