Acids and Bases

Front

What does a pH scale do?

Back

The pH scale tells if a substance is an acid or base and measures the strength and weakness of acids and bases.

Front

Can you eat or drink an acid?

Back

True, some acids are safe to eat or drink, like citric acid in lemons.

Front

What do acids taste like?

Back

Acids typically taste sour.

Front

What pH value do weaker bases have?

Back

Weaker bases have a pH closer to 8.

Front

What is a base?

Back

A base is a substance that is slippery to the touch and turns red litmus paper blue.

Front

What is the pH range for acids?

Back

The pH range for acids is from 0 to 6.

Front

What is the pH range for bases?

Back

The pH range for bases is from 8 to 14.

Front

What is neutral pH?

Back

A neutral pH is 7, which means the substance is neither an acid nor a base.

Front

What happens to litmus paper in an acid?

Back

Litmus paper turns red in an acid.

Front

What happens to litmus paper in a base?

Back

Litmus paper turns blue in a base.