pH (Acids/Bases)

Front

What is an acid?

Back

An acid is a substance that releases H+ ions when dissolved in water.

Front

What is a common property of bases?

Back

Most bases feel slippery.

Front

What is the purpose of an indicator in chemistry?

Back

An indicator changes color in the presence of an acid or base.

Front

What is the reaction called when an acid and alkali produce salt and water?

Back

Neutralization.

Front

Which substance is the strongest base?

Back

Sodium hydroxide (14) is the strongest base.

Front

What is the pH scale?

Back

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

Front

What pH value indicates a neutral solution?

Back

A pH value of 7 indicates a neutral solution.

Front

What happens to pH when an acid is added to water?

Back

The pH decreases, making the solution more acidic.

Front

What happens to pH when a base is added to water?

Back

The pH increases, making the solution more basic.

Front

What is a strong acid?

Back

A strong acid completely dissociates in water, releasing H+ ions.