A. natural gas
B. good caloric value
C. cheaper
D. All
Related Mcqs:
- Chemical properties of first member of homologous series with respect to other members are_________________?
A. same
B. different
C. depends upon number of C atoms
D. depends upon number of H atoms - Main source of organic compounds is__________________?
A. Animal
B. Fossil
C. Coal
D. Plants - A double bond consists of __________________?
A. Two sigma bonds
B. Two Pi bonds
C. One sigma and one Pi bonds
D. One sigma and two Pi bonds - Which of the following can be used as anti-knocking agent ?
A. PbCl2
B. (C2H5)4 Pb
C. (C2H5)2 Pb
D. all of the above - Isomerism which is present only in alkene is__________________?
A. structural isomerism
B. metamerism
C. cis-trans isomerism
D. both b and c - C5H12 has the number of isomers ___________________?
A. one
B. two
C. three
D. four - First organic compound synthesized in laboratory was _________________?
A. tartaric acid
B. ethyl alcohol
C. methanol
D. urea - At low temperature and pressure cracking can be done in presence of catalyst________________?
A. Al2O3
B. Fe2O3
C. Al2O3 and SiO2
D. Fe2O3 and SiO2 - Which one of the following compounds shows intense knocking ?
A. n-pentane
B. iso-heptane
C. iso-octane
D. n-heptane - the fractional distillation of petroleum produces gasoline up to ________________?
A. 10%
B. 15%
C. 20%
D. 30%