Advertisements
Advertisements
प्रश्न
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
State the word equation for the reaction involving the above preparation of oxygen.
Advertisements
उत्तर
Word equation:
\[\ce{Hydrogen peroxide ->[MnO2][(catalyst)] Water + Oxygen}\]
APPEARS IN
संबंधित प्रश्न
What is rust ?
State two differences between:
Rusting and burning.
The process by which oxidation of food in our body takes place is
What happens when potassium nitrate is heated ?
What happens when Iron burns in oxygen ? Also give the balanced chemical equation for the reaction.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
To prevent rusting, the underside of the ships is coated with __________________.
Tick (√ ) the most appropriate answer.
Galvanising is the process of coating iron with a layer of molten :
State two most important conditions for rusting.
State four ways of preventing rusting.
Describe simple experiments to show the presence of -
carbon dioxide in air using a test tube with outlets containing lime water.
