These are organic compounds that are essential for proper growth, development and functioning of the body. Vitamins are required in very small quantities They are not stored and must be included in the diet Vitamins Band C are soluble in water, the rest are soluble in fat Various vitamins are used in different ways […]
Phosphates used in the manufacture of fertiliser-Tororo in Uganda and Majingu Hill in Tanzania. Limestone used in cement manufacturing-Hima in N.W Uganda, Tanga in Tanzania, Athi River and Bamburi in Kenya. Fluorspar a source of fluorine used in chemical industries-Kerio Valley in Kenya. Common salt used for consumption-Kilifi and Magadi in Kenya and L. Kitwe
MINERALS AND ROCKS Minerals – Inorganic substances occurring naturally at or below the earth’s surface. Characteristics of Minerals Different degrees of hardness e.g. some are very hard e.g. diamond while others are very soft e.g. talc. Some have atoms arranged in an orderly manner to form crystals e.g. quartz form a 6- sided prism.