Process conditions in fermentator used for production of penicillin is
Cooking liquor in case of sulphite process is
Fermentator temperature during production of alcohol from molasses is around __________ °C.
Molasses is the starting material for the production of
Polyvinyl chloride (PVC) is
Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of
of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.
Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.
Which of the following coals has the highest calorific value ?
Which of the following is not an abrasive material ?
BHC (Benzene hexachloride) is made by the chlorination of benzene
Diaphragm electrolytic cell as compared to mercury electrolytic cell
Bleaching of paper pulp is done with
Pick out the wrong statement.
Sodium chloride content in sea water is about __________ gms/litre.
Fluorescent dyes are added in detergents to
Fats as compared to oils have
Thermal pyrolysis of ethylene dichloride produces
Pick out the wrong statement.
Calcareous & argillaceous materials are used in the manufacture of
Isopropyl benzene produced by alkylation of benzene with propylene is known as
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to
Finely ground calcium aluminate & silicate is a/an
Pick out the wrong statement.
Consider the production of ammonia from methene and air as raw materials. The catalyst used are: (i) __________ for steam reforming of methane and (ii) __________ for ammonia synthesis.
Commercial production of calcium carbide requires limestone and __________ as raw materials.
The main component of pyrex glass is
Air used in aerobic fermentation must be sterilized, otherwise the
For the hydrogenation of oils __________ (A) __________ is commonly used as catalyst and __________ (B) __________ is a catalyst poison.
Which one of the following is not likely to be a constituent of vegetable oils ?
Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
__________ is an ore concentrating metallurgical process involving a chemical change.
In the manufacture of viscose rayon, the raw material used industrially is
Fish contains about __________ percent oil.
In an integrated steel plant, NH3 present in coke oven gas is normally recovered as
Alkylbenzene sulfonate (ABS) is a
High temperature carbonisation of coal produces
Main constituents of natural rubber is
Which of the following is an ore of iron ?