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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.
उत्तर
Preparation of oxygen from - H2O2
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संबंधित प्रश्न
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.
What happens when potassium nitrate is heated ?
What happens when Sodium 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.
What is rusting?
Describe simple experiments to show the presence of -
oxygen and nitrogen component in air using a bell jar
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
State the method of collection of the oxygen gas giving reasons.
Give reason for the following:
Acid rain has caused damage to heritage structures such as the Taj Mahal.
Give reason for the following:
Combustion and respiration show similarity.
What is meant by burning?
