The strength of an acid or base is how likely it is to donate or accept a proton in an acid-base reaction. Strong acids and bases are very likely to donate or accept protons, whereas weak acids and ...

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 ...

Acids and bases make pH indicators turn different colors ... property of a substance and that a color change can also be used as evidence that a chemical reaction has occurred. Students will explore ...

This pigment is a natural acid-base indicator. It is blue in neutral substances, like plain water. When an acid like lemon juice gets in the water, a reaction makes the indicator molecule change shape ...

Neutralisation is the reaction of an acid with a base that results in the pH moving towards 7. It is a useful process that occurs in everyday life such as in the treatment of acid indigestion and ...

There were many theories put forth for explaining the reaction and some bloggers speculated that it is an acid-base reaction because Coke is acidic. In fact, experiments in a 2006 edition of the ...