Which is not heterocyclic compound _______________?
Which is not heterocyclic compound _______________?
A. Furan
B. Thiophene
C. Aniline
D. Pyridine
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Which of the following is an amide________________?
Which of the following is an amide________________?A. R-NH2
B. RCONH2
C. R – NH – R
D. C6H5NH2Compound containing benzene ring in their structure are __________________?
Compound containing benzene ring in their structure are __________________?A. aliphatic
B. aromatic
C. carboxylic acid
D. carbohydratesThe 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 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 conductivityCoal 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 abovethe fractional distillation of petroleum produces gasoline up to ________________?
the fractional distillation of petroleum produces gasoline up to ________________?A. 10%
B. 15%
C. 20%
D. 30%