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प्रश्न
Fill in the blanks :
Oxides of sulphur and nitrogen combine with rain water to form ___________ and _________ which cause ____________.
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उत्तर
Oxides of sulphur and nitrogen combine with rain water to form sulphuric acid and nitric acid which cause acid rain.
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संबंधित प्रश्न
A metal highly resistant to rusting.
State at least two ways of prevent rusting.
State two differences between:
Rusting and burning.
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.
State four ways of preventing rusting.
Oxygen of the air is utilised for ‘combustiop’ and for ‘respiration’. Compare the two with a suitable examples.
Give the main experimental points only to demonstrate that magnesium.
Give the main experimental points only to demonstrate that candle-gains weight on burning.
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?
