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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.
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उत्तर
Preparation of oxygen from - H2O2
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संबंधित प्रश्न
A metal highly resistant to rusting.
Write ‘True’ or ‘False’ in front of following statement.
Nitrogen is a gaseous non-metal essential for respiration.
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 __________________.
Write fully balanced equation for the following :
MgO + H2O →
What is rusting?
Describe simple experiments to show the presence of -
oxygen and nitrogen component in air using a bell jar
Describe simple experiments to show the presence of -
water vapour in air using a glass tumbler and ice.
Distinguish between:
Combustion and Respiration
Give reason for the following:
Acid rain has caused damage to heritage structures such as the Taj Mahal.
Name the following:
The gas required for both combustion and rusting.
