Q.1
Zeigler process
Q.2
Pick out the wrong statement.
Q.3
Hydrogenation of oil/fat does not
Q.4
Builders are added in soap to act as
Q.5
__________ is used as a catalyst in fat splitting.
Q.6
Sucrose is a disaccharide consisting of
Q.7
__________ is produced by the dehydrogenation of ethyl benzene.
Q.8
Fluorescent dyes are added in detergents to
Q.9
Alkylbenzene sulfonate (ABS) is a
Q.10
Wet chlorine gas produced during electrolysis of brine is dehydrated by
Q.11
The catalyst used in shift converter is
Q.12
__________ is an ore concentrating metallurgical process involving a chemical change.
Q.13
Hydrodenation of vegetable oils is a/an __________ reaction.
Q.14
Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.
Q.15
Average sulphur content in Indian pyrites is about __________ percent.
Q.16
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.
Q.17
Pick out the wrong statement.
Q.18
Phthalic anhydride is produced by the oxidation of
Q.19
__________ process is used for producing soda ash.
Q.20
Fat dispersed in water is exemplified by
Q.21
Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
Q.22
Shaving soaps are
Q.23
Adipic acid is an intermediate in the manufacture of
Q.24
Glycerine is recovered from lye by
Q.25
Phenol formaldehyde is produced by condensation polymerisation. It is also known as
Q.26
Conversion of CO to CO₂ by steam in presence of a catalyst is called
Q.27
Proximate analysis of coal determines its __________ content.
Q.28
Ultimate analysis of coal determines its __________ content.
Q.29
A substance produced by a living organism and capable of anti-microbial activity is called a/an
Q.30
__________ are added in lacquers to remove film brittleness and to improve adhereness.
Q.31
Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
Q.32
Producer gas consists mainly of
Q.33
Plasticisers are added to synthetic plastics to
Q.34
Main constituent of dolomite is
Q.35
Stereospecific agents are exemplified by
Q.36
High purity nitrogen is used in
Q.37
Which of the following impurities in feed water for high pressure boiler is the most detrimental?
Q.38
The major constituents of glass are
Q.39
Bakelite is chemically known as
Q.40
__________ nature of hypo (sodium thiosulphate) makes it useful in photography.
Q.41
Essential oils are usually obtained using
Q.42
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to
Q.43
Liquor poisoning generally occurs due to the presence of __________ in it.
Q.44
Sulphur removal by heating of pyrite ore in presence of air is called its
Q.45
The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by
Q.46
Reaction of calcium carbide with water produces a gas, which is used
Q.47
Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of
Q.48
Contact process of sulphuric acid manufacture
Q.49
Catalytic oxidation of toluene produces
Q.50
Which of the following processes can remove both temporary as well as permanent hardness of water?
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