Food test are the method used to determine the types of nutrients presents in a food specimen. At this level we will discuss how to te... Read more »
TEST FOR CARBOHYDRATE
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Thursday, 26 March 2015
Wednesday, 25 March 2015
TEST FOR PROTEIN
Protein are compound of hydrogen, carbon, oxygen and nitrogen some protein are also contain sulphur or phosphorous. Proteins are longer... Read more »
TEST FOR LIPIDS
They are compound of carbon, hydrogen and oxygen. Lipids are made up of fat and oil. A lipidis composed of a glycerol molecules and fat... Read more »
Thursday, 12 March 2015
Empirical formula
The chemical formula of a compound gives the exact number of moles of each element which have combined to form the compound. This give... Read more »
Chemical change and Physical change
Chemical change Chemical change is any change that results in the formation of new chemical substances. Chemical change involves mak... Read more »
Tuesday, 10 March 2015
Determining the amount of fertilizer to apply
Fertilizer grade and fertilizer ratio are used in determining the amount of fertilizer to be applied on a piece of land.The amount of... Read more »
Methods of fertilizer application
1. Broadcasting It refers to spreading fertilizers uniformly all over the field. Suitable for crops with dense stand, the plant root... Read more »
Advantage of inorganic fertilizer
1. Works immediately Inorganic fertilizers are usually given as a “rescue treatment” to plants that are malnourished, unhealthy or... Read more »
Disadvantage of inorganic fertilizer
1. Leeching happens Inorganic fertilizers contain nutrients that have been broken down already into the most basic of its components... Read more »
Factors affect soil pH
1. Parent rock : The pH value of a soil is influenced by the kinds of parent materials from which the soil was formed. Soils devel... Read more »
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