Advertisements
Advertisements
प्रश्न
What happens when Iron burns in oxygen ? Also give the balanced chemical equation for the reaction.
Advertisements
उत्तर
Red hot iron bums with a bright sark, forming an oxide of iron.
3Fe + 2O2 → Fe3O4 + heat
APPEARS IN
संबंधित प्रश्न
A metal highly resistant to rusting.
What is rust ?
State two differences between:
Rusting and burning.
Fill in the blank by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
____________ gas can cause acid rain.
State and explain two ways by which air gets polluted in nature.
What happens when potassium nitrate is heated ?
Write ‘True’ or ‘False’ in front of following statement.
The rust formed on the surface of iron easily crumbles.
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Name the catalyst used in the preparation and state it’s function.
In Rockets, along with fuel, oxygen is also carried for combustion – why?
