Methane

What is methane?

• Methane, colourless, odourless gas that occurs abundantly in nature and as a product of certain human activities.

• Methane is the simplest member of the paraffin series of hydrocarbons

• is among the most potent of the greenhouse gases.

• is a gas

What is its chemical formula

• CH3

• CH2

• 4CH

• CH4

Chemical Properties Of Methane

• combustion and halogenation.

• The second lightest element

• The boiling and freezing points are lower than those of any other known substance

Physical Properties of Methane

• Lighter than air

• Methane is barely soluble in water

• It transforms into a liquid below -152 °C

it is a natural source of methane

• Livestock

• Landfills

• Termites

Are human sources of methane

• Rice cultivation

• Oceans

• Fossil Fuels

• Wastewater treatment

Where does the methane cycle begins?

• Where it begins

• underwater

• in the air

• The methane cycle begins in the soil where methane gas is created by microbes

Who are the biggest methane emitters?

• China, the United States, Russia, India, Brazil, Indonesia, Nigeria, and Mexico

• China, the United States, Russia, India, Brazil, Indonesia, Nigeria, Asgard

• China, the United States, Russia, India, Brazil, Indonesia, Nigeria, Mexico, Peru

• China, the United States, Russia, India, Brazil, Indonesia, Nigeria, Mexico and Ethopia

What does grenhouse gases do?

• fly in the atmosphere

• expulse radiation

• absorb infrared radiation

• Nothing