Which one of the following vegetable oils is used in the manufacture of paints?

A Palm oil
B Sunflower oil<br>
C Linseed oil
D Cottonseed oil

Correct Answer: Linseed oil

Linseed oil and castor oils are used mainly as drying agents in paints and varnishes. Linseed oil is generally used in the manufacture of oil paints, drying oil finish or varnish in wood finishing, as a pigment binder in oil paints, as a plasticizer and in the manufacture of linoleum.
Bissoy MCQ
#General Knowledge #Chemistry

Related Questions

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.
A Drying
B Semi-drying
C Non-drying
D None of these
Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?
A Elaiden test
B Reichart-Meissl value test
C Henter value test
D Iodine value test
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
A Poor oxidation stability and high gum forming tendency
B Greater tendency of decomposition at elevated temperature
C Hydrolysis tendency in presence of water
D All of the above
Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils
A Cause cholesterol build up and blood clotting
B Are prone to rancid oxidation
C Always contain some amount of nickel (as their complete removal is very difficult)
D Have affinity to retain harmful sulphur compounds
Unsaturated oils compared to saturated oils have
A Lower melting point & higher reactivity to oxygen
B Higher melting point & higher reactivity to oxygen
C Lower melting point & lower reactivity to oxygen
D Higher melting point & lower reactivity to oxygen
Which gas is used for converting vegetable oils into saturated fats ?
A H2
B O2
C Cl2
D SO2
Which one of the following is not likely to be a constituent of vegetable oils?
A Citric acid
B Oleic acid
C Stearic acid
D Glycerol
Which of the following vegetable oils does not contain essential fatty acids ?
A Sunflower oil
B Mustard oil
C Coconut oil
D Groundnut oil
Commercial production of Vanaspati is done by __________ of edible vegetable oils.
A Hydrogenation
B Oxidation
C Hydrolysis
D Hydrocracking
The basic difference between vegetable oils and fats is in their
A Density
B Chemical properties
C Physical state
D Composition

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