Phenol formaldehyde is produced by condensation polymerisation. It is also known as
Teflon
Bakelite
Polyester
Nylon-66
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- Sulphur removal by heating of pyrite ore in presence of air is called its
- Which is the main reducing agent during production of iron from iron ore in a blast furnace?
- Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from…
- Fermentation of molasses to produce ethyl alcohol is done at __________ °C.
- Cumene (isopropyl benzene) is made by
- Plasticisers are added to paints to
- Phosphoric acid is prepared from
- Which of the following contains least amount of N2?
- The most reactive allotropic form of phosphorus is __________ phosphorus.
- Aryl benzene sulphonate (ABS) is a
- Starting raw material for the manufacture of Maleic anhydride is
- Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
- Sand and __________ is fused at 1300°C, to produce sodium silicate.
- Starting material for the commercial production of ethyl alcohol in India is
- Percentage of alcohol in beer may be around __________ percent.
- Pick out the wrong statement.
- Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo.…
- Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell…
- __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.
- Polythene is a/an __________ polymerisation product.
- Which of the following coals has the highest calorific value?
- Massecuite is a terminology used in the __________ industry.
- __________ of rubber decreases after its vulcanisation.
- Solvent used for extraction of oil is
- Bleaching action of bleaching powder is due to its __________ properties.
- Pick out the wrong statement.
- Which of the following is a constituent of coffee?
- Which of the following is not produced on commercial scale from sea water?
- Which of the following, when pyrolysed, produces Perchloroethylene?
- Fusel oil is a/an