Hydration
Dehydration
Hydrogenation
None of these
A. Hydration
Carbon
Arsenic
Lead
Sulphur
Explosive
White lead
Filter aid
ZnS (white pigment)
15
35
55
70
NaOH
H2SO4
Hydrazine
Alum solution
As a lubricant
As a rust preventive
In hard water for cleaning of cloth
As a foam depressant in distillation column
Addition
Condensation
Thermosetting
None of these
It does not react with water
It is poisonous
Its kindling temperature in dry air is very low
It is unstable
Sulphate
Carbonate
Hydroxide
Bi-carbonate
As an illuminant
For metal cutting/welding
Both (A) & (B)
Neither (A) nor (B)
Titanium dioxide
Ferrous sulphate
Lead chromates
Zinc sulphides
Ni
Cr
V2O5
Al2O3
Fat
Naphthalene
Cumene
Sucrose
Before filtration, reduces the bacterial load on filters
After filtration, combats the corrosiveness of water due to the presence of O2 & CO2
Is to adjust the pH value
All (A), (B) and (C)
Phenol
Naphthalene
Isopropanol
Ethyl benzene
5
20
40
60
Is prone to thermal decomposition
Has high water solubility and is unstable
Is soluble in ammonium chloride and potassium chloride solution
All (A), (B) and (C)
Polythene
Phenol formaldehyde
Poly vinyl chloride
None of these
Mainly CaO
Subjected to galvanising
A super cooled liquid
All (A), (B) and (C)
Not a fumigant
BHC (Benzene Hexachloride) containing 99% γ-isomer
A by-product of BHC manufacture
Both (B) and (C)
The number of grams of iodine taken up by 100 gm of oil or fat
A measure of its unsaturation
Helpful in findings its adulteration & its suitability for making soap
Independent of the type of oil, whether it is drying or non-drying
SO3
H2SO4
H2SO3
SO2
Dilute H2SO4
Oleum
Ultraviolet light
None of these
Quicklime
Slaked lime
Limestone
Gypsum
Separation of isotopes of uranium from gaseous uranium hexafluoride
Separation of helium from natural gas
Desalination of brackish water to produce potable (drinking) water
Purification of oxygen
Spalling
Refractoriness
Both (A) & (B)
Neither (A) nor (B)
Gypsum
Feldspar
Galena
Bauxite
Impart adhesive properties
Improve opacity
Impart resistance to penetration by liquids
None of these
Bauxite
Limestone
Quartz
Manganese
Removal of fatty and albuminous substance from it
Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics
Inhibiting the growth of micro-organisms without killing them
None of these
Cryolite
Chalcopyrite
Rock phosphate
None of these