Which of the following is not a food additive?
Citric acid
Invertage
Benzoyl peroxide
Ammonium chloride
Correct Answer :
D. Ammonium chloride
Related Questions
Builders are added in soap to act as
Cleaning power booster
Anti-redeposition agent
Corrosion inhibitor
Fabric brightener
Le-Blanc process is a primitive process for the manufacture of
Caustic soda
Soda ash
Bromine from sea water
Hydrochloric acid
Calgon used in water treatment is chemically
Sodium phosphate
Sodium hexametaphosphate
Calcium phosphate
Tricresyl phosphate
Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.
-5 to 0
5 to 10
30 to 50
75 to 80
The main use of HCl is in the
Drilling of petroleum wells and pickling of steel sheets
Manufacture of cationic detergent
Treatment of spent fuel of nuclear reactor
None of these
Wax is a
Mixture of glycerides
Mixture of esters of polyhydric alcohols excepting glycerine
Liquid at room temperature
Mixture of glycerides of fatty acids
Pick out the wrong statement.
High early strength cement are made from materials having high silica to lime ratio
The function of gypsum in cement is to enhance its initial setting rate
Acid resistant cements are known as silicate cement
Major component of greyish Portland cement is tricalcium silicate
In the Lurgi coal gasifier
Coking coals cannot be used
Low carbon conversion efficiency is achieved
Entrainment of solids is higher
Large quantity of coal can be processed
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to
Brighten the faint images
Remove metallic silver
Convert silver chloride to silver
Remove unexposed silver halide
Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.
10
50
80
95
In an integrated steel plant, NH3 present in coke oven gas is normally recovered as
(NH4)2SO4
NH4Cl
(NH4)2 NO3
Liquid NH3
The catalyst used in shift converter is
Nickel
Vanadium
Silica gel
Alumina
Cement setting under water employs a/an __________ process.
Hydration
Decomposition
Oxidation
Reduction
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?
Depithing
Digestion
Bleaching
None of these
Terylene is
Same as Dacron
A polyester
Both (A) & (B)
Neither (A) nor (B)
'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
N2 & H2
CO2 & H2
CO & H2
C & H2
Pick out the correct statement.
A fat is converted into oil by its hydrogenation
There is no difference between a fat and an oil so far as its physical properties are concerned
All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms
Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content
Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of
Nitric acid
Hydrochloric acid
Methyl alcohol
Formic acid
Poly Vinyl Chloride (P.V.C.) is a __________ material.
Thermosetting
Thermoplastic
Fibrous
Chemically active
Percentage of glycerine present in the spent lye obtained during soap manufacture is about
0.5
5
20
35
Lubricating greases are a mixture of
Mineral oil, soap and additives
Mineral oil and metallic soap
Mineral oil and fatty oil
Fatty oil and metallic soap
Catalytic oxidation of naphthalene produces
Styrene
Phenol
Phthalic anhydride
None of these
Isopropyl benzene produced by alkylation of benzene with propylene is known as
Neoprene
Cumene
Gelatin
Mercaptans
Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.
Nickel
Vanadium
Alumina
Iron
The type of high refractive index glass used in optical instruments is __________ glass.
Pyrex
Flint
Crookes
None of these
Styrene is produced from ethyl benzene by the process of
Dehydrogenation
Oxidation
Alkylation
Dehydration
Esterification reaction produces
Detergent
Vanaspati
Soap
Mercaptans
Permanent hardness of water can be removed by
Simply boiling
Adding alum
Passing it through cation & anion exchangers
All (A), (B) and (C)
Pick out the wrong statement.
Low intensity explosives are also called propellants, whereas high intensity explosive are called detonators
Gun powder comprises of 75% salt petre, 15% charcoal and 10% sulphur
Lead azide is a popular military explosive
TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being
Rotary kiln is not involved in the production of
Cement
Lime from limestone
Slaked lime from quick lime
None of these