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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
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.
Write ‘True’ or ‘False’ in front of following statement.
Nitrogen is a gaseous non-metal essential for respiration.
What happens when Sodium burns in oxygen ? Also give the balanced chemical equation for the reaction.
Write ‘True’ or ‘False’ in front of following statement.
The rust formed on the surface of iron easily crumbles.
Write fully balanced equation for the following :
MgO + H2O →
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 -
water vapour in air using a glass tumbler and ice.
Distinguish between:
Combustion & Rusting with suitable word equations only?
