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प्रश्न
Name the following:
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
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उत्तर
Sulphur trioxide.
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संबंधित प्रश्न
Define the term acid rain.
A metal highly resistant to rusting.
A mixture of oxygen and carbon dioxide used for artificial respiration.
Fill in the blanks :
Oxides of sulphur and nitrogen combine with rain water to form ___________ and _________ which cause ____________.
Write ‘True’ or ‘False’ in front of following statement.
Nitrogen is a gaseous non-metal essential for respiration.
Tick (√ ) the most appropriate answer.
Galvanising is the process of coating iron with a layer of molten :
Write fully balanced equation for the following :
MgO + H2O →
Give the main experimental points only to demonstrate that magnesium.
Give the main experimental points only to demonstrate that candle-gains weight on burning.
What is meant by burning?
