The most stable allotropic form of phosphorous is the __________ phosphorous.
White
Black
Yellow
Red
- Enzymes are organic catalysts used in the __________ reactions.
- Which of the following is a detergent?
- Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell…
- Most commonly used rubber vulcanising agent is
- Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
- Which of the following fuel gases contains maximum amount of carbon monoxide?
- Trinitrotoluene (TNT), an explosive, is made by the nitration of
- __________ is produced using molasses as the starting raw material.
- Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain…
- Terylene is
- What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in…
- Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4…
- Lurgi coal gasifier is a pressurised __________ bed reactor.
- Dehydrogenation of ethyl benzene produces
- Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
- The main component of Pyrex glass is
- Nickel is not used as a catalyst in the
- __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.
- Viscose rayon
- Coal tar is used as a
- Pick out the wrong statement.
- Sulphur addition in soap is done to
- Poly Tetrafluoroethylene (P.T.F.E.) is known as
- Hydrogenation of vegetable oils is a/an __________ reaction.
- Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.
- Common salt is generally not produced commonly by __________ method from brine.
- In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations…
- Bromine is used in the preparation of
- Thermoplastic materials
- Which of the following is not produced on commercial scale from sea water?