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प्रश्न
State two most important conditions for rusting.
उत्तर
Two most important conditions for msting are (1) presence of air and (2) moisture.
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संबंधित प्रश्न
State at least two ways of prevent rusting.
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.
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oxygen and nitrogen component in air using a bell jar
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Name the catalyst used in the preparation and state it’s function.
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Give reason for the following:
Acid rain has caused damage to heritage structures such as the Taj Mahal.
Name the following:
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
Name the following:
The gas required for both combustion and rusting.
