pH, Buffers

Front

What is the pH scale?

Back

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

Front

What pH value is considered neutral?

Back

A pH value of 7 is considered neutral.

Front

What happens to the pH when H+ ions are added to a solution?

Back

Adding H+ ions lowers the pH, making the solution more acidic.

Front

What is a buffer?

Back

A buffer is a solution that resists changes in pH when small amounts of acid or base are added.

Front

Why are buffers important in the human body?

Back

Buffers help maintain a stable pH in the blood and other bodily fluids, preventing harmful fluctuations.

Front

What might happen if buffers did not exist in the human body?

Back

Without buffers, our blood and other bodily fluids might become too acidic or basic, leading to health issues.

Front

How do buffers work?

Back

Buffers work by neutralizing small amounts of added acid or base, thus maintaining a relatively constant pH.

Front

What is the relationship between H+ ions and acidity?

Back

The more H+ ions present in a solution, the stronger the acid and the lower the pH.

Front

What is the effect of a strong acid on pH?

Back

A strong acid significantly lowers the pH of a solution.

Front

What is the effect of a strong base on pH?

Back

A strong base raises the pH of a solution.