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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
Sulphur dioxide gas dissolves in water to form ___________ acid.
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उत्तर
Sulphur dioxide gas dissolves in water to form sulphurous acid.
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संबंधित प्रश्न
What is air pollution ? What are the harmful effects of sulphur dioxide, nitrogen dioxide and hydrogen sulphide present in the air ?
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
What is nitrogen-fixation?
Tick (√) the most appropriate answer.
Symbiotic bacteria is not present in the nodules of :
What do you understand by the term polluted air?
Complete and balance the following equation
CaO + H2O →
Write fully balanced equation for the following :
Ca(OH)2 + CO2 →
Name the components of air with their approximate percentage by volume in air. Does the percentage by volume of each component remain the same, in the atmosphere of different parts of the world? Explain with reasons.
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.
Composition of the component of air ______ from place to place.
