Baking soda tastes bitter, rather than sour, and reacts with acids.

State whether baking soda is an acid.

Cola corrodes teeth and will react with metals, such as coins.

State whether cola is an acid.

Name the ion that is always released by an acid in solution.

You are given an unknown solution, and told to do some experiments to check whether it is an acid.

Propose a simple test you could perform to see if the solution is an acid.

Select the correct term for the following definition:

"A base that dissolves in water."

Select the correct term for the following definition:

"A substance that releases hydroxide ions."

Select the correct term for the following definition:

"OH⁻, formed by bases."

Select the correct term for the following definition:

"A common indicator that turns red for an acid and blue for a base."

Select the correct term for the following definition:

"A scale used to measure the concentration of H⁺ ions in a solution."