GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 060

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 060

591). Petroleum is a
A). compound
B). mixture
C). suspension
D). solution

Answer: compound


   
592). Oxidation number of sulphur in sulphuric acid is
A). two
B). four
C). six
D). eight

Answer: six


   
593). In liquified petroleum gas, the gas leakages can be detected by using
A). butylenes
B). mercaptans
C). butane
D). isobutane

Answer: mercaptans

   
594). Producer gas is a mixture of
A). H2O (Vapour) +C
B). H2 + CO
C). CO + CO2
D). CO + N2

Answer: CO + N2



   
595). The valency of helium is
A). 0
B). 1
C). 2
D). 3

Answer: 0


 

596). Dry ice is nothing but
A). ice at a higher temperature
B). solid CO2
C). dried up water
D). none of these

Answer: solid CO2



   
597). DDT was discovered by
A). Flemming
B). Banting
C). Edward
D). Paul Muller

Answer: Paul Muller

   
598). Which one of the following is not a fossil fuel?
A). petrol
B). charcoal
C). diesel
D). LPG

Answer: charcoal


   
599). Pickout the molecule containing coordinate bond
A). CaCl2
B). NH4Cl
C). MgCl2

Answer: NH4Cl



   
600). Aspirin is
A). Methyl salicylate
B). Ethyl salicylate
C). Acetyl salicylic acid
D). Sodium salicylate

Answer: Methyl salicylate