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Sunday, June 21, 2020

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 087

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 087




861). Dynamite was discovered by
A). John Napier
B). Alfred Nobel
C). Volta
D). Jean Ricard

Answer: Alfred Nobel


   
862). Chemically cane sugar is
A). Lactose
B). Glucose
C). Sucrose
D). Fructose

Answer: Sucrose


   
863). For the manufacture of cement, which of the following is used in the largest quantity?
A). Alumina
B). Calcium oxide
C). Gypsum
D). Silica

Answer: Calcium oxide


   
864). Bleaching powder has
A). Chlorine
B). Bromine
C). Iodine
D). Nitrogen

Answer: Chlorine


   
865). Iodised Salt is a mixture of common salt with
A). Potassium iodide
B). Iodine
C). Potassium iodate
D). lodic acid

Answer: Potassium iodide



866). Nitrogen is found in organic substance
A). glucose
B). lipids-fats
C). fructose
D). proteins

Answer: proteins


   
867). Plant and animal wastes on biodegradation give
A). Bio gas
B). Water gas
C). Hydrogen gas
D). All of these

Answer: Bio gas


   
868). Biogas mainly contains
A). Methane
B). Carbon monoxide
C). Acetylene
D). Oxygen

Answer: Methane


   
869). Which metal is present in Vitamin B12?
A). Sodium
B). Iron
C). Copper
D). Cobalt

Answer: Cobalt



   
870). Chalk is
A). calcium chloride
B). calcium sulphate
C). calcium nitrate
D). calcium carbonate

Answer: calcium carbonate

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