GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 091

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 091

901). Natural Rubber is in polymer of
A). Ethylene
B). Isoprene
C). Buna-N
D). Buna-S

Answer: Isoprene


   
902). LPG contains a mixture of
A). Butane + Propane
B). Butane +.Ethylene
C). Propane + Ethane
D). Methane .+ Butane

Answer: Butane + Propane


   
903). Duralumin is used for making;
A). electrical components
B). household utensils
C). aircraft components
D). none of these

Answer: aircraft components


   
904). DDT Is an
A). insecticide
B). explosive
C). antibiotic
D). none of these.

Answer: insecticide


   
905). Amalgams always contain
A). Silver
B). Copper
C). Gold
D). Mercury

Answer: Mercury

 

 

906). Who was the first world surgeon to conduct successful heart transplant?
A). Dr. G. E. Gibbons
B). Dr. Christian Bernard
C). Dr A.B. Dobbs
D). Dr J. K. Jain

Answer: Dr. Christian Bernard

   
907). Which of the following is usually not n air pollutant?
A). Sulphur dioxide
B). Carbon dioxide
C). Hydrocarbon
D). Nitrous oxide

Answer: Hydrocarbon

   
908). Which gas is easily liquified?
A). CO2
B). SO2
C). Cl2
D). M2O

Answer: Cl2



   
909). The alloy of copper which does not contain zinc is
A). Brass
B). Bronze
C). Gun metal
D). German silver

Answer: Bronze


   
910). What is DDT?
A). Insecticide
B). Antibiotic
C). Fertilizer
D). Enzyme

Answer: Insecticide