The pH scale is used to measure acidity and alkalinity. When an acid is neutralised, it forms a salt. Making salts Acids react with metals, bases and carbonates to produce salts. Neutralisation is ...

The pH scale describes whether something is acidic ... Most of this balancing takes place in your kidneys, which filter acids and bases. Any acids or bases your body doesn’t need are then ...

An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

Students will be able to explain that if two substances cause turn a pH indicator different colors, they must be different substances. Students will be able to explain that the color that a substance ...

Cleanliness in the current society is directly related to health, hygiene, and even environmental responsibility; it is not only a matter of appearance. Removing stains, breaking down undesired ...

The pH scale shows how acidic a substance is ... The salt name can be found from the name of the acid and metal. Acids and bases Acids, bases and alkalis are found in the laboratory and at ...