Which of the following is an amide________________?
Which of the following is an amide________________?
A. R-NH2
B. RCONH2
C. R – NH – R
D. C6H5NH2
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Only sigma bonds are present in__________________?
Only sigma bonds are present in__________________?A. propene
B. butanoic acid
C. butanal
D. ethoxy ethanethe 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%Organic compounds are soluble in ____________________?
Organic compounds are soluble in ____________________?A. polar solvent
B. non-polar solvent
C. alkalies
D. waterCoal 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 aboveC5H12 has the number of isomers ___________________?
C5H12 has the number of isomers ___________________?A. one
B. two
C. three
D. fourWhich of the following can be used as anti-knocking agent ?
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