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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Rust is
पर्याय
hydrated iron oxide
hydrated copper sulphate
anhydrous iron oxide
none of the above
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उत्तर
hydrated iron oxide
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संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Atmospheric nitrogen is directly absorbed by the plants to form plant proteins.
Write the chemical name of The white insoluble solid formed on the reaction of carbon dioxide with lime water.
Name two important processes supported by oxygen present in air.
Tick (√) the correct alternative from the choice given for the following statement.
Air pollution is due to the
Tick (√) the correct alternative from the choice given for the following statement.
Photosynthesis is a process in which plants
What will happen if the number of vehicles and factories in your surroundings increases?
Name the following.
Inert gases in the air
While freezing, the ______ of water is lowered.
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
Air has no ______ & ______.
