Main source of organic compounds is__________________?
Main source of organic compounds is__________________?
A. Animal
B. Fossil
C. Coal
D. Plants
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According to vital force theory_______________?
According to vital force theory_______________?A. Oorganic compounds can be synthesized from inorganic compounds
B. organic compounds cannot be synthesized from inorganic compounds
C. organic compounds can be synthesized by animals
D. organic compounds can be synthesized by plantsOctane number can be improved by________________?
Octane number can be improved by________________?A. Isomerization
B. Adding (C2H5)4 Pb
C. Adding (CH3)4 Pb
D. AllCompounds having same molecular formula but differ in structural formula are called __________________?
Compounds having same molecular formula but differ in structural formula are called __________________?A. polymer
B. monomer
C. isomer
D. allotropesPentane and 2-methyl butance have the same_______________?
Pentane and 2-methyl butance have the same_______________?A. Boiling point
B. Melting point
C. Percentage composition
D. Structural formulaOrganic compounds that are essentially nonpolar and exhibit weak intermolecular forces have________________?
Organic compounds that are essentially nonpolar and exhibit weak intermolecular forces have________________?A. Low melting points
B. Low vapour pressure
C. High boiling points
D. High electrical conductivityWhich of the following is an amide________________?
Which of the following is an amide________________?A. R-NH2
B. RCONH2
C. R – NH – R
D. C6H5NH2