Molasses is the starting material for the production of
Alcohol
Essential oil
Fatty acids
Massecuite
Correct Answer :
A. Alcohol
Related Questions
99.5% purity oxygen is used in
Cutting and welding by oxy-acetylene flame
Hospitals for medicinal purposes
Gas masks and artificial breathing apparatus
All (A), (B), and (C)
Fire clay is __________ refractory material.
A basic
An acidic
A neutral
Not a
Sodium carbonate (soda ash) is not used in the manufacture of
Fire extinguishers
Sugar
Baking powder
Detergents
Chemical formula of oleum is
H2SO3
H2SO4
H2S2O7
H2SO7
Setting of plaster of Paris is accompanied with
Hydration
Dehydration
Hydrolysis
Loss of CO2
Most commonly used rubber vulcanising agent is
Sulphur
Bromine
Platinum
Alumina
Plaster of Paris is
CaSO4. ½H2O
Used for setting of broken bones
Both (A) and (B)
Same as gypsum
Finely ground calcium aluminate & silicate is a/an
Cermet
Cement
Abrasive
Explosive
Which of the following is not produced on commercial scale from sea water?
Bromine
Magnesium compounds
Potassium compounds
Sodium sulphate
Which of the following is a detergent?
Benzene hexachloride
Alkyl benzene sulphonate
Polytetrafluoroethylene
Cellulose nitrate
Trinitro-toluene (TNT) is
Used in glycerine manufacture
An explosive
Used in dye manufacture
None of these
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.
15-30
90-100
250-300
< 0
Average sulphur content in Indian pyrites is about __________ percent.
15
35
55
70
Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its
Poor oxidation stability and high gum forming tendency
Greater tendency of decomposition at elevated temperature
Hydrolysis tendency in presence of water
All (A), (B) and (C)
Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.
Chromium
Arsenic
Copper
Manganese
Prussian blue is chemically represented by
FeO.TiO2
Ca SO4 . 2H2O
Fe4 [Fe (CN6)3]
AlF3 . 3NaF
Silicon carbide is a/an
Adhesive
Abrasive
Type of glass
Brittle material
Metallic soap is __________ salt of fatty acids.
Sodium
Potassium
Both sodium & potassium
Aluminium or calcium
Parathion and Malathion are
Pesticides
Plasticisers for unsaturated polyesters
Pain-relieving drugs (analgesic)
Tranquilisers
The major constituent of black liquor generated during paper manufacture is sodium
Sulphate
Carbonate
Hydroxide
Bi-carbonate
Which of the following is not an insecticide?
Hydrocyanic acid
Nicotine
Sodium fluoride
Hexane
20% oleum means that in 100 kg oleum, there are 20 kg of
SO3 and 80kg of H2SO4
H2SO4 and 80kg of SO3
SO3 for each 100 kg of H2SO4
None of these
Fermentation of molasses to produce ethyl alcohol is done at __________ °C.
20 - 30
< - 5
100 - 150
250 - 300
Zeolite is used in the
Water treatment
Glass manufacture
Hydrogenation of fatty oil as a catalyst
Development of exposed photographic plate
__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.
Oxidising
Reducing
Complex forming
Photochemical
Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
Nitric acid
Sulphuric acid
Ammonium sulphate
Hydrochloric acid
Reaction of calcium carbide with water produces a gas, which is used
As an illuminant
For metal cutting/welding
Both (A) & (B)
Neither (A) nor (B)
Synthesis gas is a mixture of
CO and H2
N2 and H2
H2, CH4 and CO
CO2 and H2
Na2CO3 is called
Washing soda
Soda ash
Plaster of Paris
Calcite
__________ is used as a catalyst in fat splitting.
ZnO
Ni
V2O5
FeO