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प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
To prevent rusting, the underside of the ships is coated with __________________.
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उत्तर
To prevent rusting, the underside of the ships is coated with red lead oxide paint.
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संबंधित प्रश्न
Define the term acid rain.
A mixture of oxygen and carbon dioxide used for artificial respiration.
State two differences between:
Rusting and burning.
Fill in the blanks :
Oxides of sulphur and nitrogen combine with rain water to form ___________ and _________ which cause ____________.
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.
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
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.
What is meant by burning?
