GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 032

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 032

311). The process or elimination of water from any system is called
A). oxidation
B). reduction
C). dehydration
D). evaporation

Answer: dehydration


   
312). Haemoglobin is
A). the colouring matter of leaves of plants
B). the colouring matter of blood
C). a compound present in milk
D). a compound that transmits signals to the brain

Answer: the colouring matter of blood


   
313). Riboflavin is a/an
A). vitamin
B). plant
C). antibiotic
D). colouring substance

Answer: vitamin


   
314). The gas emitted by burning wood is mainly
A). carbon monoxide
B). sulphur dioxide
C). arebon dioxide
D). methane

Answer: carbon monoxide


   
315). The substance that causes the worst air pollution is
A). smoke
B). sulphur dioxide
C). carbon dioxide
D). carbon monoxide

Answer: carbon monoxide
   


316). Bakelite is obtained from
A). phenol and formaldehyde
B). phenol and formic acid
C). ethylene and acetaldehyde
D). adipic acid and caprolactam

Answer: phenol and formaldehyde


   
317). The National Chemical Laboratory is situated in
A). New Delhi
B). Bangalore
C). Pune
D). Chennai

Answer: Pune


   
318). Petroleum is found in
A). igneous rocks
B). sedimentary rocks
C). metamorphic rocks
D). marshy land

Answer: sedimentary rocks


   
319). The substance that contains the maximum amount of nitrogen is
A). urea
B). ammonium sulphate
C). ammonium nitrate
D). ammonium chloride

Answer: urea


   
320). The disease 'beri beri' is caused by the deficiency of
A). vitamin B
B). hormones
C). iodine
D). iron

Answer: vitamin B