A. Fischer-Tropsch process
B. Shift conversion
C. Hydrogenation of oil
D. Ostwald’s process of HNO3 manufacture
Correct Answer: D. Ostwald’s process of HNO3 manufacture ✔
Last Updated: February 14, 2019
Related MCQs
- Hard water__________?
- Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of__________?
- Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C ?
- Frasch process is for__________?
- The drug used in contraceptives is__________?
- Neoprene is a__________?
- Gun powder, which is an explosive comprises of charcoal, sulphur and__________?
- High temperature carbonisation of coal takes place at __________ °C?
- Viscose rayon is chemically__________?
- Mercury cells for caustic soda manufacture, compared to diaphragm cells__________?
- Sucrose content in the raw juice extracted from sugar cane is about __________ percent?
- Builders are added in soap to act as__________?
- Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda ?
- Kaolin is a/an __________?
- Phosphoric acid is prepared from__________?
- Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material ?
- Phosphate rock is a raw material for the manufacture of__________?
- Which of the following is the second major component of cement ?
- Pick out the endothermic reaction out of the following ?
- The terminology ‘BTX’ used in coal tar distillation industry refers to__________?
- Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because__________?
- Calcination of limestone is not done in a __________ kiln for producing lime ?
- Graphite is a/an__________?
- The main component of Pyrex glass is__________?
- Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of__________?
- Finely ground calcium aluminate & silicate is a/an __________?
- Molecular weights of polymers are in the range of__________ ?
- Which of the following coals has the highest calorific value ?
- Varnish does not contain__________?
- Mannheim furnace is used in the manufacture of__________?
- High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to__________?
- Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water ?
- Process conditions in fermentator used for production of penicillin is__________?
- Lime and soda ash are added to water to remove __________?
- Air used in aerobic fermentation must be sterilized, otherwise the __________?
- Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used__________?
- Prussian blue is chemically represented by__________?
- Molasses is the starting material for the production of __________ ?
- Insulin is an __________ drug?
- Solvay process as compared to dual process (i.e. modified Solvay process) ?
- The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is __________?
- Pure rectified spirit contains about __________ percent alcohol?
- Styrene is produced from ethyl benzene by the process of__________?
- White phosphorous is stored under water, because __________?
- Paper pulp produced by Kraft/sulphate process is__________ ?
- Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C ?
- Oxidation of SO2 to SO3 is favoured by__________?
- Which of the following contains least amount of N2 ?
- Which of the following is not responsible for causing permanent hardness of water ?
- Which is the main reducing agent during production of iron from iron ore in a blast furnace ?
- __________ are used as corrosion inhibitor for iron & steel in aqueous solutions ?