Acids and Bases

Front

What is the pH scale?

Back

The pH scale measures how acidic or basic a solution is, ranging from 0 (strongly acidic) to 14 (strongly basic), with 7 being neutral.

Front

What pH value indicates a strong acid?

Back

A pH value of 1 indicates a strong acid.

Front

Which chemical formula represents an acid?

Back

HCl (hydrochloric acid) is an example of an acid.

Tags

NGSS.MS-PS1-1

Front

What is a base?

Back

A base is a substance that can accept hydrogen ions (H+) or donate electron pairs in reactions.

Front

What happens to blue litmus paper in an acid?

Back

Blue litmus paper turns red in the presence of an acid.

Front

What is the chemical formula for hydrofluoric acid?

Back

HF is the chemical formula for hydrofluoric acid.

Front

What is the pH of a neutral solution?

Back

The pH of a neutral solution is 7.

Front

What is the difference between an acid and a base?

Back

Acids donate protons (H+ ions), while bases accept protons.

Front

What is an example of a strong base?

Back

Sodium hydroxide (NaOH) is an example of a strong base.

Front

What does it mean if a solution has a pH of 12?

Back

A solution with a pH of 12 is considered strongly basic.