50 items of chemistry in everyday life & chemical composition
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What is Chemical Composition?
Chemical composition can be defined as the arrangement, ratio, and type of atoms in molecules of chemical substances. The chemical composition will vary if chemicals are subtracted or added from a substance. That is when the ratio of the substance changes or when chemical changes occur in the chemicals.
It is the chemical composition of a substance that determines the properties of the substance. We can conclude from here that the way atoms are put together, the density, colour, strength and other properties are determined.
50 items of chemistry in everyday life & chemical composition
| S:No | Common name of the Chemical | Chemical composition and IUPAC name | Use |
|---|---|---|---|
| 1 | Baking powder | NaHCO3; sodium bicarbonate | Used for baking for cooking, releases CO2 in reaction with other ingredients |
| 2 | Detergent | Sodium sulphate, sodium hydroxide and phosphatecompounds | Used for washing clothes |
| 3 | Soap | Esters | Used for bathing and washing clothes |
| 4 | Toothpaste | Calciuym carbonate, sodium flouride | Used for cleaning teeth while brushing |
| 5 | Vinegar C2H4O2 | acetic acid, ethanoic acid | Used as preservative and for seasoning foods. Utilized for various household cleaning uses. |
| 6 | Salt | NaCl; Sodium Chloride | Used in seasoning for cooking; also used as preservative |
| 7 | Graphite | Carbon | Used in Pencil |
| 8 | Alcohol | Ethanol(C2H6O) | Used in alcoholic drinks |
| 9 | Bleaching Powder | NaOCl | Commonly used domestic bleach. Used for cleaning purposes |
| 10 | Sugar | Sucrose; C12H22O11 | Used in cooking as sweetner |
| 11 | Aspirin | C9H8O4; acetyl salicylic acid | Used in various medicines |
| 12 | Mouthwash | H2O2; hydrogen peroxide, | Used for personal hygiene. |
| 13 | Caustic soda | NaOH; sodium hydroxide | It’s a highly corrosive alkali which is used for cleaning, unblocking sinks, drains and toilets. |
| 14 | Moth balls | C6H4Cl2; 1,4-dichlorobenzene | Have strong pungent smell and is used for |
| 15 | Chalk | CaCO3; calcium carbonate | Uses incl. blackboard chalk, pavement (or, in USA, “sidewalk”) chalk, gymnastics and rock-climbing, and sometimes in toothpaste. |
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