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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Main source of organic compounds is__________________?
Main source of organic compounds is__________________?A. Animal
B. Fossil
C. Coal
D. PlantsFirst organic compound synthesized in laboratory was _________________?
First organic compound synthesized in laboratory was _________________?A. tartaric acid
B. ethyl alcohol
C. methanol
D. ureaA single atom or group of atoms which gives characteristic properties to a compound is called_________________?
A single atom or group of atoms which gives characteristic properties to a compound is called_________________?A. radical
B. hydrocarbon
C. functional group
D. ionA double bond consists of __________________?
A double bond consists of __________________?A. Two sigma bonds
B. Two Pi bonds
C. One sigma and one Pi bonds
D. One sigma and two Pi bondsC5H12 has the number of isomers ___________________?
C5H12 has the number of isomers ___________________?A. one
B. two
C. three
D. fourThe 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. polymers