GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 084

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 084

831). The substance present in spurious liquors causing blindness is
A). ethanol
B). methanol
C). propane
D). butanol

Answer: methanol


   
832). The number of neutrons in 13Al^27
is
A). 13
B). 27
C). 40
D). 14

Answer: 14


   
833). Avagadro's law is applicable to
A). solids
B). solids and liquids
C). gases and liquids
D). gases

Answer: gases


   
834). Temporary hardness of water is due to
A). carbonates
B). sulphates
C). bicarbonates of Ca & Mg
D). chlorides of Ca & Mg

Answer: bicarbonates of Ca & Mg


   
835). An element with atomic number 7 will contain
A). 7 neutrons
B). 5 electrons & 2 protons
C). 7 protons only
D). 7 electrons & 7 protons

Answer: 7 electrons & 7 protons

836). Paracetamol is
A). antibiotic
B). enzyme
C). anangesic
D). hormone

Answer: antibiotic


   
837). Chemical equilibrium is noted in the reaction
A). reversible
B). irreversible
C). nuclear
D). photochemical

Answer: reversible


   
838). Hypo, used in photography, is
A). sodium thiosulphate
B). sodium chloride
C). silver nitrate
D). silver bromide

Answer: sodium thiosulphate


   
839). Which will explode on detonation in the dry state?
A). Sodium
B). O-bromophenol
C). Picric acid
D). Sodium peroxide

Answer: Sodium


   
840). In fat, the functional group is
A). aldehyde
B). ester
C). ketone
D). amide

Answer: aldehyde