Notes and Study material for Exams
Non Metals As far as Elements are concerned, a nonmetal is simply an element that does not display the properties of a Metal. It is not defined by what it is, but by what it is not. It doesn’t look metallic, can’t be drawn into a wire or pounded into shape or bent, doesn’t conduct … Read more
WHO Defines Malnutrition as “Malnutrition refers to deficiencies, excesses, or imbalances in a person’s intake of energy and/or nutrients. The term malnutrition addresses 3 broad groups of conditions: undernutrition, which includes wasting (low weight-for-height), stunting (low height-for-age) and underweight (low weight-for-age); micronutrient-related malnutrition, which includes micronutrient deficiencies (a lack of important VITAMINS and Minerals) or … Read more
Compounds are defined as substances composed of two or more different Elements that are chemically combined. Both salt and water are compounds. Some important chemical compound and their uses are as follows:- NaCl sodium chloride (table salt, used in solutions for contact lens) ZnO zinc oxide (used in some sunscreens and diaper rash ointment) NaF … Read more
WHO Defines Malnutrition as “Malnutrition refers to deficiencies, excesses, or imbalances in a person’s intake of energy and/or nutrients. The term malnutrition addresses 3 broad groups of conditions: undernutrition, which includes wasting (low weight-for-height), stunting (low height-for-age) and underweight (low weight-for-age); micronutrient-related malnutrition, which includes micronutrient deficiencies (a lack of important VITAMINS and Minerals) or … Read more
Iodine-131: A Radioactive Isotope with Diverse Applications and Risks Iodine-131 (¹³¹I) is a radioactive isotope of iodine, a halogen element essential for human health. While naturally occurring iodine is crucial for thyroid hormone production, ¹³¹I stands out due to its radioactive nature, making it both a valuable tool in medicine and a potential environmental hazard. … Read more