. 1.1 WEER SUBJECT ENVIRONMENT AND DEVELOPMENT Put 'x' next to the correct sentence and 'x' next to the wrong sentence? If you heat an object in a corner, its improvement will change. 1.2 Vitamin D deficiency causes beriberi. 1.3 Solid sodium chloride does not exist in any of the molecules. 2. Give a short answer: Balance the equation by writing: P, + 0, → P.0o Refers to a function of iodine in the human body. Give an example of a processed food made with mango. Answer in one or two sentences: What is the reaction of a piece of zinc in an aqueous solution of 31 kcal chloride? In writing reaction equations. 3.2 What are the ways to make pure drinking water at home without the help of a filter? 4. Answer in three or four sentences: 8.) Determine the temperature at which the Celsius and Fahrenheit scale texts will be equal. 4.2 Why does Kwashiorkor get angry and what are the symptoms of this anger?
Answers
Answer:
Explanation:
Magnesium sulfate or magnesium sulphate (in British English) is a chemical compound, a salt with the formula MgSO
4, consisting of magnesium cations Mg2+
(20.19% by mass) and sulfate anions SO2−
4. It is a white crystalline solid, soluble in water but not in ethanol.
Magnesium sulfate is usually encountered in the form of a hydrate MgSO
4·nH
2O, for various values of n between 1 and 11. The most common is the heptahydrate MgSO
4·7H
2O, known as Epsom salt, which is a household chemical with many traditional uses, includin
The main use of magnesium sulfate is in agriculture, to correct soils deficient in magnesium (an essential plant nutrient because of the role of magnesium in chlorophyll and photosynthesis). The monohydrate is favored for this use; by the mid 1970s, its production was 2.3 million tons per year.[2] The anhydrous form and several hydrates occur in nature as minerals, and the salt is a significant component of the water from some springs.