- (A) 3
- (B) 300
- (C) 3000
- (D) 1000
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- (A) 0.1 to 0.5
- (B) 1.5 to 4.5
- (C) 7.5 to 12.5
- (D) 15-20
- (A) Catalytic naphtha – coking naphtha – virgin naphtha
- (B) Coking naphtha – virgin naphtha – catalytic naphtha
- (C) Virgin naphtha – catalytic naphtha – coking naphtha
- (D) Virgin naphtha – coking naphtha – catalytic naphtha
- (A) Heating
- (B) Cooling
- (C) Solvent extraction
- (D) Both
- (A) Stabilisation
- (B) Visbreaking
- (C) Cracking
- (D) Reforming
- (A) Saturated hydrocarbons
- (B) Unsaturated cyclic compounds (hydrocarbons)
- (C) Present in substantially good quantity in crude petroleum
- (D) None of these
- (A) Naphtha
- (B) Cracked gases rich in C2 & C4 olefins
- (C) Low boiling aromatics
- (D) None of these
- (A) 80
- (B) 87
- (C) 92
- (D) 97
- (A) Tetraethyl lead
- (B) Tetramethyllead
- (C) Ethyl nitrate or acetone
- (D) None of these
- (A) Gives higher yield of petrol
- (B) Lower octane number of petrol
- (C) Higher sulphur content in the product
- (D) Higher gum forming material in petrol
