Answer the following question given this paragraph: 

The fuel that burns in a combustion reaction contains compounds called hydrocarbons. Hydrocarbons are compounds that contain only carbon (C) and hydrogen (H). The charcoal pictured in the Figure above consists of hydrocarbons. So do fossil fuels such as natural gas. Natural gas is a fuel that is commonly used in home furnaces and gas stoves. The main component of natural gas is the hydrocarbon called methane (CH 4 ). You can see a methane flame in the Figure below . The combustion of methane is represented by the equation:.


Q: What is the name for compounds that contain only carbon and hydrogen?

 Choices:

- particles

- carbohydrates

- carbides

- hydrocarbons

A:
hydrocarbons
