Question

(1) write the uses of Nacl
(2) write the uses of caco3
(3) write the uses of cao
(4) write the uses of H2o2​

Answer 1

Answer:

1) Sodium chloride (NaCl), also known as salt, is an essential compound our body uses to: absorb and transport nutrients. maintain blood pressure. maintain the right balance of fluid.

2)

It plays an important role in construction, be it as a building material (marble) or as an ingredient in cement. It is used in medicinal industries which manufacture antacids, tablets which are made of base materials etc. It is used as calcium supplements.

3)Calcium oxide is widely used in industry, e.g., in making porcelain and glass; in purifying sugar; in preparing bleaching powder, calcium carbide, and calcium cyanamide; in water softeners; and in mortars and cements. In agriculture it is used for treating acidic soils (liming).

4)Hydrogen peroxide is a mild antiseptic used on the skin to prevent infection of minor cuts, scrapes, and burns. It may also be used as a mouth rinse to help remove mucus or to relieve minor mouth irritation (e.g., due to canker/cold sores, gingivitis).

Answer 2

Explanation:

1) Sodium chloride has been used to flavor and preserve foods for thousands of years. As a preservative, salt helps to prevent spoilage and helps to keep foods like ready-to-eat meats and cheeses safe to eat. Salt is also used in fermenting processes for foods like sauerkraut, pickles and kefir.

2) Medicinally, it is used as an antacid or as a calcium supplement. It is also used as fillers in cosmetics. It is added to swimming pools as a disinfectant agent and as pH corrector. It finds extensive usage in the manufacturing industry as a building material (marble), ingredient for quick lime and cement.

3) Calcium oxide is widely used in industry, e.g., in making porcelain and glass; in purifying sugar; in preparing bleaching powder, calcium carbide, and calcium cyanamide; in water softeners; and in mortars and cements. In agriculture it is used for treating acidic soils (liming).

4) Hydrogen peroxide is a mild antiseptic used on the skin to prevent infection of minor cuts, scrapes, and burns. It may also be used as a mouth rinse to help remove mucus or to relieve minor mouth irritation (e.g., due to canker/cold sores, gingivitis).

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