Advertisements
Advertisements
प्रश्न
Define the following:
Combustion.
उत्तर
Combustion: Combustion also called burning “is burning of substance in the oxygen of air completely producing heat and light is called combustion.”
APPEARS IN
संबंधित प्रश्न
Name three noble gases present in the air. State their one industrial use
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.
What are the two necessary conditions for rusting of iron?
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
Name the following:
A process which removes carbon dioxide from the air.
Mention one necessary condition for the combustion to take place.
List out the uses of carbon dioxide.
Nitrogen is used in the food packaging industry because it _____.
What was the old name of nitrogen?
The composition of air changes slightly from place to place. Give examples.