Main source of organic compounds is__________________?
Main source of organic compounds is__________________?
A. Animal
B. Fossil
C. Coal
D. Plants
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Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?
Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?A. earth layer
B. mountains
C. sedimentary rocks
D. rocksWhich is not heterocyclic compound _______________?
Which is not heterocyclic compound _______________?A. Furan
B. Thiophene
C. Aniline
D. PyridineThe structure of ethyne is_________________?
The structure of ethyne is_________________?A. angular
B. trigonal
C. linear
D. trigonal planarOctane number can be improved by________________?
Octane number can be improved by________________?A. Isomerization
B. Adding (C2H5)4 Pb
C. Adding (CH3)4 Pb
D. AllIn cyano group the carbon atom shows which kind of hybridization___________________?
In cyano group the carbon atom shows which kind of hybridization___________________?A. sp2
B. sp
C. sp3
D. none of the aboveIsomerism which is present only in alkene is__________________?
Isomerism which is present only in alkene is__________________?A. structural isomerism
B. metamerism
C. cis-trans isomerism
D. both b and c