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 ...

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 ...

The pH scale shows ... metals with acids Acids react with some metals to produce salts and hydrogen. The salt name can be found from the name of the acid and metal. Acids and bases Acids, bases ...

No matter the cause, pH imbalances can lead to symptoms such as confusion, headaches, and vomiting. Often, treatment focuses on addressing the underlying cause. The pH scale describes whether ...