Oxygen was identified in

Who identified oxygen

is used in burning

plants produce oxygen during

is heated in laboratory for making oxygen

Black powder is called

The will burst into flame

Oxygen is slightly in water

Air is not than oxygen

Oxygen plays a role in the of iron

Oxygen combines with

form when oxides are dissolved in water

If water is added to the jar and shaken is formed

Sulphurous acid can be tested with blue

Oxygen combines with metals to form their

burns with a dazzling white flame

Oxygen is used to fill the of divers and mountainers

Pure stored in cylinders

Oxygen is used in an torch for cutting

Space rockets carry liquid oxygen in order to burn their in space

Carbon dioxide is found in very small quantities in the

plants used it to manufacture in the presence of sun light

plays a very important role in our lives

Chemical formula of carbon dioxide

Place half a teaspoon of in glass bottle and add some

Put some marble chips in a glass flask pour some dilute onto them

Bring a burning splint near the of the glass jar containing carbon dioxide

Carbon dioxide can be frozen at a very low temperature to form

The jar in which lime water turns milky contains gas

The jar in which the splint burns more brightly contain gas