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Illustrate the physical and chemical properties of soil
The cation exchange property is very significant because it affects the physical and chemical properties of soil. The most important ions being the hydrogen, sodium and calcium. For example, exchange of hydrogen ions affects the soil pH. If there is predominance of exchangeable hydrogen, the soil is acidic as a result Al3+ ions become exchangeable and may be toxic to plants. On the other hand with a higher exchange of sodium ions, soil becomes alkaline. Calcium is capable of formulating stable aggregates of finer particles.
Crystal Structure of Clays Most clay minerals have two types of basic structural units - tetrahedral and octahedral. The tetrahedral unit is 4- 4 SiO in which silicon
A wet and dry bulb hygrometer Get two inexpensive thermometers, and check them in warm water at dissimilar temperatures to see that they agree. Join the two thermometers to a
what is potential energy
Interstellar and Intergalactic Space: The space between the stars and the galaxies looks empty, doesn't it? But this 1s not true. In the great dark between stars in the galaxie
discuss determinants of food security
Explain Glycogen Glycogen is the storage polysaccharide found in the muscle and liver of animals and humans. It is a branched polymer having about 8 to 10 glucose units in e
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Properties Some of the important physico-chemical characteristics of riboflavin are as follows: a) Riboflavin forms needle shaped orange crystals. b) It is sparingl
Cryogenic Freezing, as you would realize, is one of the fast, flexible and cheap method of freezing. In this, the liquefied gases are placed in direct contact with the foods. Food
What is Immunity? Amino acids are involved in giving immunity by maintaining the vulnerable surfaces of the body in such a way so as to resist infections. Most of the external
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