Uses of GasesUses of Gases

Gas is CompressibleGas is Compressible

Inflating Flotation

StoragePropulsion

Natural GasNatural Gas

It is drilled from gas It is drilled from gas fields (fossil fuel: fields (fossil fuel: mainly methane)mainly methane)

A smell is added to itA smell is added to it It is flammableIt is flammable Hazardous to life as it Hazardous to life as it

is explosiveis explosive

HeliumHelium

It is colourless, It is colourless, odourless and has no odourless and has no taste.taste.

It is the second It is the second lightest gas after lightest gas after hydrogen.hydrogen.

Used to fill balloons Used to fill balloons and air ships. and air ships.

Carbon DioxideCarbon Dioxide

Present in the earth’s Present in the earth’s atmosphere, it atmosphere, it contributes to Global contributes to Global Warming.Warming.

Colourless gas.Colourless gas. Used to make fizzy Used to make fizzy

drinks as it is soluble drinks as it is soluble in liquidsin liquids

AirAir

Part of the earth’s Part of the earth’s atmosphere.atmosphere.

Made up of other Made up of other gases: Mainly gases: Mainly Hydrogen and Hydrogen and OxygenOxygen

Air can vary in Air can vary in temperature and in temperature and in density around the density around the earthearth