Which of the following contains least amount of N2?
Coke oven gas
Blast furnace gas
Producer gas
Water gas (blue gas)
- Very dilute solutions are generally used in fermentation reactions for which the optimum temperature…
- How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical…
- Wax is a
- Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by
- Saponification value/number of an oil or fat is a measure of its
- __________ Nature of hypo (sodium thiosulphate) makes it useful in photography.
- CaCl(OCl) is the chemical formula of
- Trinitro-toluene (TNT) is
- __________ acid is an unsaturated fatty acid.
- __________ acid is the main constituent of cotton seed oil.
- Na2CO3 is called
- Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
- Flux addition during smelting of ore is done to
- Which allotrope of sulphur is insoluble in carbon disulphide?
- Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
- Percentage of alcohol in beer may be around __________ percent.
- Which of the following is a detergent?
- Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
- Commonly used glass is known as the __________ glass.
- Presence of H2S in raw water (to be chlorinated) results in the
- Chemical name of aspirin (an analgesic drug) is
- Catalyst used in the hydrogenation of oil is
- Teflon is
- Which of the following is not produced commercially from sea water?
- Sulphuric acid saturated with SO3 is called
- The temperature in the calcium carbide furnace is __________ °C.
- Mercury cells for caustic soda manufacture, compared to diaphragm cells
- Which of the following processes can remove both temporary as well as permanent hardness of water?
- Gun powder, which is an explosive comprises of charcoal, sulphur and
- Viscose rayon is chemically