The compounds which contain one or more triple bonds are called ________.

_______ are used in making perfumes and as flavouring agents.

Carbon compounds except for oxides of carbon, carbonate and hydrogen carbonate salts continue to be studied under _______ chemistry.

Alcohols react with sodium leading to the evolution of __________.

The gas used in welding and cutting metals is-

In _________, each carbon atom is bonded to three other carbon atoms in the same plane giving a hexagonal array.

Sugar cane juice can be used to prepare molasses which is fermented to give ________.

Aluminium carbide on reacting with water gives -

Which of the following is not a characteristic property of carbon ?

The unsaturated hydrocarbons which contain one or more double bonds are called ________.