Introduction to Organic Chemistry

Which of the following is a non-renewable source of energy: natural gas, crude oil, or both?

What is the main component in natural gas?

• carbon dioxide

• methane

• nitrogen

• oxygen

​ ​ ​ (a)   are ​ (b)   energy resources to crude oil and ​ (c)   . Biofuels come from plants or ​ (d)   and can be replaced relatively quickly after use.

• renewable

• Biofuels

• natural gas

• animals

What is the chemical formula for methane?

• CH4

• CO2

• N2

• O2

Which of the following is a greenhouse gas?

• Methane

• Nitrogen

• Oxygen

• Carbon Dioxide

What is the primary component of biogas?

• Methane

• Nitrogen

• Oxygen

• Carbon Dioxide