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
Explain the conversion of nitrogen into nitrates during lightning.
Fill in the blanks :
_______ and ______ are the most common air pollutants.
Name and briefly explain four ways by which pollution of air caused by humans is minimised.
Classify Calcium oxide. Also give a balanced equation to prepare it.
Classify Carbon monoxide. Also give a balanced equation to prepare it.
What are the main components of air?
Write down the composition of three main gases present in air by volume.
Explain why mountaineers carry oxygen cylinders with them?
How will you show that air is dissolved in water?
Which gas is essential for burning?
