Areaction of a hydrocarbon, in which carbon dioxide and water are produced, is classified as a
a. decomposition reaction.
c. double-displacement reaction.
b. combustion reaction.
d. synthesis reaction.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

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