Difference between revisions of "Acid"
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*[[Ethanoic Acid]] - The common name for vinegar. | *[[Ethanoic Acid]] - The common name for vinegar. | ||
*[[Sulphuric Acid]] - Found in [[Electrical Cell]]s. | *[[Sulphuric Acid]] - Found in [[Electrical Cell]]s. | ||
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Revision as of 16:48, 28 September 2018
Key Stage 3
Meaning
An acid is a chemical dissolved in water that has a pH less than 7.
About Acids
- Acids can be an Irritant, Harmful or Corrosive and should be handled with care.
- When an acid is dissolved in solution the Hydrogen atoms in the molecule become free to move around and these are what make it an acid.
- Acids can be concentrated or dilute.
- Acids can be weak or strong which depends on the type of acid and the concentration.
- Acids turn Litmus paper red.
- Acids turn Universal Indicator pink, red, orange or yellow depending on the strength of the acid.
Some common Acids you should know:
- Hydrochloric Acid - Found in the stomach.
- Citric Acid - Found in Citrus fruits.
- Ethanoic Acid - The common name for vinegar.
- Sulphuric Acid - Found in Electrical Cells.
Examples
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