Bring the solution back to its original uniform color and repeat the demonstration again. Use a weak acid such as acetic acid and a weak base such as ammonia and after a few times the demonstration ...

An acid-base indicator is a substance that changes color as the ... This allows it to exhibit a wide range of colors at different pH values. To Conduct Demonstration: (approx. 5 min) Show the students ...

A soluble base dissolves in water to form ... Watch this video of a practical demonstration in which copper carbonate and sulfuric acid react to produce copper sulfate.

All alkaline solutions contain more hydroxide ions than hydrogen ions. Adding water to an acid or base will change its pH. Water is mostly water molecules so adding water to an acid or base ...