GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 053

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 053

521). The disaccharide present in milk is
A). sucrose
B). maltose
C). lactose
D). cellotriose

Answer: lactose

   
522). Natural petroleum is a liquid mixture of paraffin hydrocarbons
A). C4 to C12
B). C1 to C20
C). C1 to C40
D). C5 to C15

Answer: C5 to C15



   
523). Which gas is commonly filled in giant balloons?
A). hydrogen
B). helium
C). hydrogen sulphide
D). carbon-di-oxide

Answer: helium


   
524). The chemical added to the colourless LPG cooking gas to give odour is
A). chlorine
B). bromine
C). nitrogen
D). sulphur

Answer: sulphur


   
525). Which of the following gases may cause acid rain in an industrial area?
A). CO2
B). CO
C). SO2
D). CH4

Answer: SO2



526). Which of the following contains poly unsaturated fatty acids in largest amount?
A). sunflower oil
B). coconut oil
C). soyabean oil
D). cotton seed oil

Answer: sunflower oil

   
527). The drug's caffeine, tannin, nicotine are
A). steroids
B). mild alkalis
C). alkaloids
D). cortisones

Answer: steroids

   
528). Urea is a ............ fertilizer
A). phosphate
B). potash
C). nitrogenous
D). none of these

Answer: nitrogenous


   
529). Coloured glass, coral, ruby glass, metal alloys are colloidal solutions of
A). solid in a gas
B). liquid in a liquid
C). solid in a solid
D). solid in a liquid

Answer: solid in a solid


   
530). Which carbohydrate is not a hexose?
A). glucose
B). fructose
C). mannose
D). lactose

Answer: mannose