Advertisements
Advertisements
प्रश्न
Name the following:
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
उत्तर
Sulphur trioxide.
APPEARS IN
संबंधित प्रश्न
A mixture of oxygen and carbon dioxide used for artificial respiration.
What happens when Sodium burns in oxygen ? Also give the balanced chemical equation for the reaction.
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 __________________.
State two most important conditions for rusting.
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
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.
Name the following:
The gas required for both combustion and rusting.
What is meant by burning?
In Rockets, along with fuel, oxygen is also carried for combustion – why?
