Varnish does not contain
Pigment
Thinner
Dryer
Anti-skimming agent
Correct Answer :
A. Pigment
Related Questions
Sucrose is a
Monosaccharide
Disaccharide
Polysaccharide
None of these
Fusel oil is a/an
Essential oil
Extract from medicinal herbs
Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).
None of these
The chamber process is
Preferred over contact process for producing 98 to 100% H2SO4 and various oleums
Non-catalytic and operates only on pyrites
A batch process for directly producing high strength (98 to 100%) H2SO4
None of these
Gypsum is chemically
Calcium chloride
Potassium sulphate
Sodium sulphate
Calcium sulphate
Catalyst used in the hydrogenation of oil is
Nickel
Platinum
Iron
Alumina
Which of the following processes can remove both temporary as well as permanent hardness of water?
Filtration
Boiling
Distillation
None of these
Starting material for the production of butadiene in India is
Naphthalene
Benzol
Ethyl alcohol
Phthalic anhydride
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
Penicillin is separated from fermented broth by
Extraction with amyl or butyl acetate
Ternary Azeotropic distillation
Evaporator in calandria
Extractive distillation
Function of thinner in a paint is to
Accelerate the oxidation of oil
Prevent gelling of the paint
Suspend pigments & dissolve film forming materials
Form a protective film
Which of the following is used as a coagulant in water treatment?
Chloramine
Chlorine
Ferrous sulphate
Hydrogen peroxide
Main use of hydrazine is
As a rocket fuel
In water treatment
As a disinfectant
As fire retardant
Which one of the following is not an elastomer?
Polyisoprene
Neoprene
Nitrile-butadiene
None of these
Plaster of Paris is
CaSO4. ½H2O
Used for setting of broken bones
Both (A) and (B)
Same as gypsum
Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of
Carbon
Arsenic
Lead
Sulphur
Polycaprolactam is commercially known as
Nylon-6
Nylon-66
Dacron
Rayon
Concentration of hydrogen peroxide is done by
Crystallisation
Vacuum crystallisation
Atmospheric distillation
Dehydration
The major constituents of glass are
Lime, clay and soda ash
Sand, lime and soda ash
Silica, alumina and clay
Silica, alumina and soda ash
The type of high refractive index glass used in optical instruments is __________ glass.
Pyrex
Flint
Crookes
None of these
Which of the following is not a product of coal tar distillation?
Anthracene
Creosote oil
Carbolic oil
None of these
Which of the following, when pyrolysed, produces Perchloroethylene?
Ethylene dichloride
Chlorobenzene
Carbon tetrachloride
Chlorinated paraffin
The combustion reaction, C + O2 = CO2, is
Exothermic
Endothermic
Autocatalytic
None of these
Which of the following is not present in bagasse fibre?
Cellulose
Lignin
Pentogens
None of these
Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.
Hard
Soft
Metallic
Lubricating
Margarine is a/an
Fat
Explosive
Plasticiser
Rocket propellant
More than 100 percent of __________ is present in oleum.
SO3
H2SO4
H2SO3
SO2
Use of water having dissolved oxygen in boilers promotes
Corrosion
Sequestration
Scale formation
None of these
Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
Fertiliser manufacture
Car battery solution
Synthesis of oleum
Water treatment
Magnesium and calcium __________ cause temporary hardness of water.
Carbonates
Bicarbonates
Phosphates
Sulphates
Which of the following is a constituent of vinegar?
Around 10% alcohol
Around 1% acetic acid
Both (A) and (B)
Neither (A) nor (B)