Coal is produced after a long time decay of_________________?
Coal is produced after a long time decay of_________________?
A. animals
B. fossils
C. wood
D. all of the above
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Octane number 2 2 4-trimethyl pentane is__________________?
Octane number 2 2 4-trimethyl pentane is__________________?A. 100
B. 90
C. 80
D. 70The organic compounds having very high molecular weight are called _________________?
The organic compounds having very high molecular weight are called _________________?A. carboxylic acids
B. ketones
C. aldehydes
D. polymersOrganic compounds are soluble in ____________________?
Organic compounds are soluble in ____________________?A. polar solvent
B. non-polar solvent
C. alkalies
D. waterRate of reactions of most organic compounds are____________________?
Rate of reactions of most organic compounds are____________________?A. very slow
B. very fast
C. slow
D. no regular character presentThe property of carbon chain formation is called _________________?
The property of carbon chain formation is called _________________?A. catenation
B. hybridization
C. polymerization
D. solvationOctane number can be improved by________________?
Octane number can be improved by________________?A. Isomerization
B. Adding (C2H5)4 Pb
C. Adding (CH3)4 Pb
D. All