Related Questions
What is the correct answer?
4
Which of the following is an organometallic compound?
What is the correct answer?
4
Sodium chloride content in sea water is about __________ gms/litre.
What is the correct answer?
4
Bleaching action of bleaching powder is due to its __________ properties.
What is the correct answer?
4
The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
What is the correct answer?
4
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to
A. Brighten the faint images
B. Remove metallic silver
C. Convert silver chloride to silver
D. Remove unexposed silver halide
What is the correct answer?
4
Which of the following is a constituent of vinegar?
What is the correct answer?
4
Chemical formula of oleum is
What is the correct answer?
4
Nitrile rubber is produced by the polymerisation of
A. Acrylonitrile and butadiene
B. Acrylonitrile and styrene
C. Isobutylene and isoprene
What is the correct answer?
4
Hydrogenation of oil/fat does not
A. Improve its resistance to rancid oxidation
B. Raise its melting point
What is the correct answer?
4
Inversion of sucrose produces
What is the correct answer?
4
Deaeration of water in its treatment is necessary, as it
A. Minimises its turbidity
B. Helps in controlling its taste and odour
C. Minimises its corrosiveness
What is the correct answer?
4
Hydrogenation of edible vegetable oils
A. Is an exothermic reaction
B. Increases their melting point
C. Is done in presence of nickel catalyst
What is the correct answer?
4
Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?
What is the correct answer?
4
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
C. Optical brightening agent
D. Anti soil redeposition agent
What is the correct answer?
4
High temperature carbonisation of coal takes place at __________ °C.
What is the correct answer?
4
__________ is produced using molasses as the starting raw material.
What is the correct answer?
4
Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) __________ for steam reforming of methane and
(ii) __________ for ammonia synthesis.
A. (i) - Ni/Al2O3; (ii) - Cu - ZnO/Al2O3
B. (i) - Fe/Al2O3; (ii) - Cu - ZnO/Al2O3
C. (i) - Ni/Al2O3; (ii) - Fe/Al2O3
D. (i) - Fe/Al2O3; (ii) - Ni/Al2O3
What is the correct answer?
4
Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is
What is the correct answer?
4
Drinking (potable) water treatment does not involve
What is the correct answer?
4
Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it
A. Has larger production capacity per unit cell
B. Consumes less power per ton of Cl2 produced
C. Produces high purity (70%) caustic soda directly
What is the correct answer?
4
20% oleum means that in 100 kg oleum, there are 20 kg of
C. SO3 for each 100 kg of H2SO4
What is the correct answer?
4
The main component of Pyrex glass is
What is the correct answer?
4
Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.
What is the correct answer?
4
Oils and fats are converted to soap in a process called
What is the correct answer?
4
Coke oven gas consists mainly of
What is the correct answer?
4
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?
What is the correct answer?
4
Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.
What is the correct answer?
4
Basic oxide is absent in __________ glass.
What is the correct answer?
4
Which of the following is an unsaturated fatty acid?
What is the correct answer?
4
__________ is an ore concentrating metallurgical process involving a chemical change.
A. Electromagnetic separation