Advertisements
Advertisements
प्रश्न
Give a reason why nitrogen is filled in food packets and not oxygen.
उत्तर
Nitrogen being inert or unreactive is filled into food packets to drive out the oxygen and reduce bacterial growth. The food package then stays well preserved.
संबंधित प्रश्न
Briefly state the importance of Nitrogen.
Name and briefly explain four ways by which pollution of air is caused by humans.
What are the main components of air?
Give reason:
A burning candle stops burning if covered with a glass tumbler
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.
State the utility of oxygen for respiration in plants
How to show the presence of carbon-di-oxide in the air?
The composition of air changes slightly from place to place. Give examples.
Tri oxygen molecule is known as ______.
Nitrogen is an essential element present in proteins and nucleic acids which are the building blocks of living things.
