GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 088

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 088

871). Metals
A). gain electrons
B). lose electrons
C). gain protons
D). lose protons

Answer: lose electrons


   
872). The reagent that bleaches the colour of the fabric is
A). NaCl
B). SO2
C). CO2
D). SO3

Answer: SO2



   
873). Nicotine is
A). Alkaloid
B). Terpene
C). Protein
D). Steroid

Answer: Alkaloid


   
874). Oxidation involves
A). gain of electrons
B). loss of electrons
C). decrease in valency
D). decrease in oxidation number

Answer: loss of electrons


   
875). During the fermentation of sugars, the enzyme which converts glucose into ethyl alcohol is
A). invertase
B). diastase
C). zymase
D). maltase

Answer: zymase



876). Pick the odd one out
A). Nitro glycerine
B). Mustard gas
C). TNT
D). DDT

Answer: DDT


   
877). Gun powder is a mixture of
A). Nitrates of Sodium and Potassium
B). Sulphates of Potassium and Magnesium
C). Charcoal, Sulphur and Potassium nitrate
D). Charcoal, Potassium nitrate and Potassium sulphate

Answer: Charcoal, Sulphur and Potassium nitrate


   
878). Which is the non-inflammable organic compound
A). C6H6
B). CCl4
C). C10H8
D). PVC

Answer: CCl4



   
879). The substance that is not polymeric is
A). Nylon
B). PVC
C). Starch
D). Glucose

Answer: Glucose


   
880). .......... is used as an anaesthetic
A). Nitric oxide
B). Nitrogen pentoxide
C). Nitrogen dioxide
D). Nitrous oxide

Answer: Nitrous oxide