Physical Science- Solutions, Acids, and Bases

Front

What are the characteristics of an acid?

Back

Sour taste, turns indicator red, pH less than 7, produces hydrogen ions (H⁺).

Front

What scale is used to measure acidity or basicity?

Back

pH scale.

Front

What are the characteristics of a base?

Back

Bitter taste, slippery feel, turns indicator blue, pH greater than 7, produces hydroxide ions (OH⁻).

Front

What pH value indicates a weak acid?

Back

A weak acid would have a pH of 6.

Front

What is the substance that does the dissolving in a solution?

Back

The solvent.

Front

What is the pH range for acids?

Back

pH less than 7.

Front

What is the pH range for bases?

Back

pH greater than 7.

Front

What ion do acids produce in solution?

Back

Hydrogen ions (H⁺).

Front

What ion do bases produce in solution?

Back

Hydroxide ions (OH⁻).

Front

What is a neutral pH value?

Back

A neutral pH value is 7.