Thermoplastic materials
Do not soften on application of heat
Are heavily branched molecules
Are solvent insoluble
None of these
- Use of water having dissolved oxygen in boilers promotes
- Hard water
- __________ of rubber decreases after its vulcanisation.
- The most stable allotropic form of phosphorous is the __________ phosphorous.
- Viscose rayon
- The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
- Hydrazine (N2H4) is used mainly as a/an
- The catalyst used in shift converter is
- Hydrocyanic acid (HCN) is used as an insecticide for
- Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.
- Fat dispersed in water is exemplified by
- Zeolite is a/an
- Carborundum consists mainly of
- Which of the following is not a product of coal tar distillation?
- Caprolactam (a raw material for nylon-6 manufacture) is produced from
- Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient…
- Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm…
- Sand and __________ is fused at 1300°C, to produce sodium silicate.
- Permanent hardness of water can be removed by
- P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
- Thermoplastic materials
- Bromine is used in the preparation of
- The main product of high temperature carbonisation of coal is
- Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have
- Fermentation is adversely affected by the
- Which is the most suitable dye for synthetic fibres?
- Phthalic anhydride is produced by the oxidation of
- Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
- Insulin is an __________ drug.
- In industrial nomenclature, alcohol means