Question

A) Write The Chemical Formula


1. Sodium Chloride

2. Potassium Hydroxide

3. Carbon Di-oxide

4. Calcium Oxide

5.Sulphur Di-oxide​

Answer 1

Answer: This may help you

Explanation:

1. NaCl

An inorganic chloride salt having sodium(1+) as the counterion. Sodium chloride , commonly known as salt (although sea salt also contains other chemical salts), is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.

2. KOH

Potassium hydroxide is an inorganic compound which is denoted by the chemical formula KOH. Potassium hydroxide is also known as caustic potash, lye, and potash lye. This alkali metal hydroxide is a very powerful base. In its aqueous form, its appearance is that of a clear solution.

3. CO2

Carbon dioxide is a colorless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas.

4. CaO

Calcium oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline, crystalline solid at room temperature.

5. SO2

Sulphur dioxide or sulphur dioxide is the chemical compound with the formula SO ₂. It is a toxic gas responsible for the smell of burnt matches. It is released naturally by volcanic activity and is produced as a by-product of copper extraction and the burning of fossil fuels contaminated with sulfur compounds.

Answer 2

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A) Write The Chemical Formula:

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1. Sodium Chloride

=> NaCl

2. Potassium Hydroxide

=> KOH

3. Carbon Di-oxide

=> CO2

4. Calcium Oxide

=> CaO

5. Sulphur Di-oxide

=> SO₂

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