A. A fat is converted into oil by its hydrogenation
B. There is no difference between a fat and an oil so far as its physical properties are concerned
C. All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon
atoms
D. Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their
fatty acids content
Related Mcqs:
- Pick out the wrong statement ?
A. Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%
B. Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%
C. 75% oleum can be produced by distillation of 20% oleum
D. Contact process of sulphuric acid manufacture uses nickel as the catalyst - Pick out the wrong statement ?
A. Strongly caking coal should not be used in the Lurgi gasifier
B. Acetylene gas cannot be used for illumination purpose
C. Water gas is called blue gas because of the color of the flame, when it is burnt
D. Gaseous fuels require less percentage of excess air for combustion as compared to liquid fuels - Pick out the wrong statement?
A. Hard glass which is used for making laboratory glass wares is a mixture of sodium
borosilicate and aluminium borosilicate
B. Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or
arsenic oxide
C. Ordinary glass is represented chemically by Na2O . CaO . 6SiO2
D. Red color is imparted to glass by addition of arsenic oxide - Pick out the wrong statement. Iodine value of an oil or fat is________________?
A. The number of grams of iodine taken up by 100 gm of oil or fat
B. A measure of its unsaturation
C. Helpful in findings its adulteration & its suitability for making soap
D. Independent of the type of oil, whether it is drying or non-drying - Pick out the wrong statement ?
A. Kraft method of pulp manufacture can process all types of fibrous raw materials
B. Digestion time for bagasse is less than that for wood base materials
C. Both temperature and pressure in the digestor is less in case of the sulphite method as
compared to that in the sulphate method
D. None of these - Pick out the wrong statement ?
A. Catalytic hydrogenation of carbon monoxide produces methyl alcohol
B. In nylon-6, the number 6 represents the total number of carbon atoms in the ring
C. Raw materials for DDT manufacture are benzene and chlorine
D. Ethanolamines are produced by using ammonia and ethylene oxide as raw material - Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have___________________?
A. High electrical insulation properties
B. Sharp melting points
C. Low co-efficient of thermal expansion
D. Compressive strength much greater than their tensile strengths - Pick out the wrong statement ?
A. Pasteurisation of milk involves moderate heating followed by cooling
B. Bakeries and breweries make use of yeasts
C. Enzyme is a complex nitrogenous compound
D. Oils and fats are alkaloids - Pick out the wrong statement pertaining to nitric acid ?
A. About 90% of nitric acid is manufactured by Ostwald’s process
B. It is a strong mono basic acid which reacts with almost all the metals except noble metals
C. Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)
D. Arc process of nitric acid manufacture is economical as compared to Ostwald’s process - Pick out the wrong statement ?
A. DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence
of oleum, which is a highly exothermic reaction
B. Chloral is obtained by the chlorination of ethyl alcohol
C. Insecticides acting on the insects through the respiratory system are called fumigants
D. Benzene hexachloride is not a contact insecticide
