Advertisements
Advertisements
प्रश्न
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Draw a neat labelled diagram for the method used in the above preparation.
Advertisements
उत्तर
Preparation of oxygen from - H2O2
APPEARS IN
संबंधित प्रश्न
A metal highly resistant to rusting.
What is rust ?
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 ?
What happens when Iron burns in oxygen ? Also give the balanced chemical equation for the reaction.
Write ‘True’ or ‘False’ in front of following statement.
The rust formed on the surface of iron easily crumbles.
Oxygen of the air is utilised for ‘combustiop’ and for ‘respiration’. Compare the two with a suitable examples.
Distinguish between:
Combustion & Rusting with suitable word equations only?
In Rockets, along with fuel, oxygen is also carried for combustion – why?
