Hydrogen

Some Gases

Hydrogen

  • The thick layer of air which surrounds the earth is called atmosphere.
  • Hydrogen is...}

Nitrogen

Some Gases

Nitrogen

  • Nitrogen is an inert gas which constitutes about 78% by volume of the atmosphere.
  • ...}

Properties Of Hydrogen

Some Gases

Properties Of Hydrogen

  • The atomic form of hydrogen produced at the time of chemical reaction is known as nascent h...}

Oxygen

Some Gases

Oxygen

  • Oxygen is abundantly occurring element on the earth. It constitutes about 47.6% of the eart...}