Q. Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin.

View solution

Q. Pick out the wrong statement.

View solution

Q. Neoprene is rendered non-inflammable, because of

View solution

Q. Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is

View solution

Q. Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as

View solution

Q. Rayon is superior to cotton in making gauge for wound treatment, because rayon

View solution

Q. __________ is a thermosetting plastic.

View solution

Q. __________ is a natural fibre.

View solution

Q. Pick out the wrong statement.

View solution

Q. Perspex can be used as a substitute of glass. Its monomer is

View solution

Q. Buna-N is also called

View solution

Q. Polypropylene is preferred to polythene, because the former is

View solution

Q. Nylon-6 as compared to nylon-66 is

View solution

Q. Alkyd resin is a/an

View solution

Q. Most commonly used rubber vulcanisation agent is

View solution

Q. Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber ?

View solution

Q. Maximum consumption of polymers is in

View solution

Q. Low density polythene as compared to high density polythene is

View solution

Q. Phenol formaldehyde is produced by condensation polymerisation. It is also known as

View solution

Q. Polymethyl methacrylate, which is an acrylic resin, is also called

View solution