CNG consists of mainly
Butane
Propane
Methane
Octane
The surface layer of the skin is made protein called
Keratin
Haemoglobin
Myoglobin
Glycogen
The metal added to gasoline to prevent 'knocking'.
Sodium
Lead
Silver
Copper
The temperature at which the vapour will ignite in air in the presence of a flame is
Flash - point
Ignition temperature
Inversion temperature
Joule - Thomson temperature
Terylene is a
Polyamide
Polyethene
Polypropane
Polyester
The process in which larger molecules from heavier fractions can be broken into smaller molecules
Calcination
Hydrogenation
Refining
Catalytic cracking
