Chemistry - Petroleum

Question - 1

The veriety of coal having the highest percentage of carbon content is

  • A lignite
  • B peat
  • C anthracite
  • D bituminous

Question - 2

kerosene oil is mixture of

  • A aliphatic hydrocarbons
  • B alicyclic  hydrocarbons
  • C aromatic  hydrocarbons
  • D alicyclic and aromatc hydrocarbons

Question - 3

octane number is connected with 

  • A kerosene
  • B petrol
  • C diesel oil
  • D heavy oil

Question - 4

Which of the fractions of pertroleum with boiling ranges of one of the following is know as gasoline?

  • A 300c to 700c
  • B 700c to 1200c
  • C 1500c to 3000c
  • D 2500c to 4000c

Question - 5

Wax,of which candle is made ,is a mixture of

  • A aliphatic hydrocarbons
  • B alicyclic  hydrocarbons
  • C aromatic hydrocarbons
  • D alicyclic and aromatic hydrocarbons

Question - 6

The chief constituent of coal tar is

  • A alphatic compounds
  • B aromatic compounds
  • C alkanes
  • D alkenes

Question - 7

The best antiknock compound is 

  • A ethyl magnesium chloride
  • B sodium ethoxide 
  • C zinc ethyl
  • D lead tetraethyl

Question - 8

A sample of petrol contains 30% n-heptane and 70% iso-octane.The octane number of the sample is 

  • A 30
  • B 70
  • C 15
  • D 35

Question - 9

Kerosene oil is not used for the manufacture of scaps because

  • A it is inflammable
  • B it is poisonous
  • C it has disagreeable odour
  • D it consists of mixture of hydrocarbons

Question - 10

The compressed gas (know as LPG)available in cooking gas cylinders is a mixture

  • A C6H6 + C6H5CH3
  • B C4H10 + C3H8
  • C C2H4+C2H2
  • D C2H4+ CH4
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