Advertisements
Advertisements
Question
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
Advertisements
Solution
Nitrogen of air is converted to soluble nitrogenous compounds in the soil in the presence of air and moisture. These-are absorbed by plants and converted to plant proteins.Nitrogen being inert or un reactive is filled into food packets to drive out the oxygen.
Hence bacterial growth inside the food package is reduced and thereby the food is well preserved and fresh.
APPEARS IN
RELATED QUESTIONS
What is rust ?
The process by which oxidation of food in our body takes place is
State and explain two ways by which air gets polluted in nature.
What happens when potassium nitrate is heated ?
What is rusting?
State four ways of preventing rusting.
Describe simple experiments to show the presence of -
carbon dioxide in air using a test tube with outlets containing lime water.
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Draw a neat labelled diagram for the method used in the above preparation.
Distinguish between:
Combustion and Respiration
Name the following:
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
