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प्रश्न
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Name the catalyst used in the preparation and state it’s function.
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उत्तर
Catalyst used in preparation of oxygen is manganese dioxide. It increased the speed of decomposition of H202.
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संबंधित प्रश्न
A metal highly resistant to rusting.
The process by which oxidation of food in our body takes place is
Write fully balanced equation for the following :
MgO + H2O →
What is rusting?
State four ways of preventing rusting.
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.
Distinguish between:
Combustion and Respiration
Distinguish between:
Combustion & Rusting with suitable word equations only?
Name the following:
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
In Rockets, along with fuel, oxygen is also carried for combustion – why?
