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
Fill in the blanks :
Oxides of sulphur and nitrogen combine with rain water to form ___________ and _________ which cause ____________.
The process by which oxidation of food in our body takes place is
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.
Write the balanced chemical equation of the manganese dioxide.
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
Describe simple experiments to show the presence of -
oxygen and nitrogen component in air using a bell jar
Identify the acidic oxides responsible for acid rain. State how their presence results in formation of acid rain. Give a reason why acid rain damages heritage buildings.
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.
Give the main experimental points only to demonstrate that magnesium.
Give reason for the following:
Combustion and respiration show similarity.
