In natural gas, the C/H ratio (by weight) varies in the range of_________________?

A. NH2.CO.NH2
B. NH3CO.CH3
C. NH.CO2.NH
D. NH3.CO2.NH3

A. Nitrogenous
B. Phosphatic
C. Complex
D. Mixed

A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of these

A. It is cheaper
B. Nitrogen content is higher
C. It is not poisonous
D. It is easy to manufacture

A. Fuel
B. H2
C. N2
D. O2

A. Complex
B. Mixed
C. Nitrogenous
D. Phosphatic