Activity 1.3 Write the names, formulae and the uses of at least five salts.
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Answer:
Hydrated calcium sulphate, CaSO4.2H2O, is found in plaster of Paris. It is used to make plaster casts for supporting broken bones.
Iron(II) sulphate heptahydrate, FeSO4.7H2O is an ingredient in ‘iron pills’. It is used as an iron supplement for patients suffering from anaemia.
Potassium chloride is used as a substitute for patients who need a low intake of sodium salt.
Magnesium sulphate heptahydrate (Epsom salt) and sodium sulphate decahydrate (Glauber salt) are used as laxatives.
Sodium hydrogen carbonate is an ingredient in anti-acids. This salt can neutralise the excess acid secreted by the stomach.
Explanation:
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