_____ is a process in petroleum refining in which the larger and heavier hydrocarbons in kerosene and higher-boiling-point fractions are heated to high temperatures, causing the carbon-carbon bonds to break, thus producing a more volatile mixture.

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Cracking is the process of breaking down larger and heavier hydrocarbons into smaller and lighter hydrocarbons. The process involves the use of high temperatures, which break the carbon-carbon bonds in the larger hydrocarbons, resulting in a more volatile mixture of lighter hydrocarbons. This process is commonly used in petroleum refining to produce gasoline and other lighter fuels.

_____ Is a Process in Petroleum Refining in Which the Larger