Inversion of sucrose produces
Fructose
Glucose
Both (A) & (B)
Neither (A) nor (B)
Correct Answer :
B. Glucose
Related Questions
Which of the following is an ore of iron?
Galena
Chalcopyrite
Hematite
Bauxite
Mercury cells for caustic soda manufacture, compared to diaphragm cells
Require lower initial investment
Require more power
Produce lower concentration NaOH
None of these
Calcination of limestone is not done in a __________ kiln for producing lime.
Vertical shaft
Rotary
Fluidised bed
Fixed bed
Yeast is used in the manufacture of
Penicillin
Antibiotics
Wine
Pasteurised milk
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to
Flocculate the impurities
Facilitate fast filtration
Both (A) and (B)
Neither (A) nor (B)
Rancidity of the fatty oil can be reduced by its
Decoloration
Hydrogenation
Oxidation
Purification
Chemical name of 'alum' is
Barium sulphate
Aluminium sulphate
Aluminium chloride
Calcium sulphate
Sea weeds are an important source of
Fluorine
Chlorine
Bromine
Iodine
Phosphoric acid is prepared from
Cryolite
Chalcopyrite
Rock phosphate
None of these
Plaster of Paris is
CaSO4. ½H2O
Used for setting of broken bones
Both (A) and (B)
Same as gypsum
How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?
500°C
750°C
1000°C
1500°C
The most economical pulp for the production of newsprint would be the __________ pulp.
Ground-wood
Sulphate
Sulphite
Semi-chemical
Gypsum is chemically
Calcium chloride
Potassium sulphate
Sodium sulphate
Calcium sulphate
Dichloro diphenyl __________ is the full form of DDT (an insecticide).
Tetrachloroethane
Trichloroethane
Tetrachloromethane
Trichloromethane
At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).
P
√P
P2
1/P
A 'unit process' is exemplified by the
Distillation
Hydrogenation of oils
Absorption
Humidification
In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
Gives higher conversion efficiency
Has a longer life and is not poisoned by arsenic
Handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant
All (A), (B) and (C)
Synthetic glycerine is produced from
Toluene
Phenol
Propylene
Naphthalene
Neoprene is a
Monomer
Synthetic rubber
Polyester
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
Finely ground calcium aluminate & silicate is a/an
Cermet
Cement
Abrasive
Explosive
Synthesis gas is a mixture of
CO and H2
N2 and H2
H2, CH4 and CO
CO2 and H2
Catalyst used in the oxidation of benzene to produce Maleic anhydride is
V2O5
Pt
Ni
Cr
Which of the following is an endothermic reaction?
Absorption of SO3 in 98% H2SO4
C + H2O = CO + H2
Thermal dissociation of iron pyrites
Both (B) and (C)
Which of the following is the second major component of cement?
Al2O3
CaO
SiO2
Fe2O3
The process used for the manufacture of ethyl alcohol from molasses is
Distillation
Dehydration
Dehydrogenation
None of these
Resistance to fusion of the refractory under a steady rising temperature condition is called
Spalling
Refractoriness
Both (A) & (B)
Neither (A) nor (B)
The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.
Exothermic
Endothermic
Catalytic
Autocatalytic
Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?
Xanthates
Stearic acid
Calcium & aluminium stearate
Formic acid
The type of high refractive index glass used in optical instruments is __________ glass.
Pyrex
Flint
Crookes
None of these