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प्रश्न
Define the term acid rain.
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उत्तर
Acid rain : When sulphur trioxide and nitrogen oxide present in the air mix with rainwater they form sulphuric acid and nitric acid respectively. Rainwater containing these acids is called acid rain.
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संबंधित प्रश्न
A mixture of oxygen and carbon dioxide used for artificial respiration.
What is rust ?
State at least two ways of prevent rusting.
Fill in the blanks :
Oxides of sulphur and nitrogen combine with rain water to form ___________ and _________ which cause ____________.
Write fully balanced equation for the following :
MgO + H2O →
What is rusting?
Oxygen of the air is utilised for ‘combustiop’ and for ‘respiration’. Compare the two with a suitable examples.
Describe simple experiments to show the presence of -
carbon dioxide in air using a test tube with outlets containing lime water.
Give reason for the following:
Combustion and respiration show similarity.
Name the following:
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
