Acid Base 2020 (notes companion)

Front

What is an acid?

Back

An acid is a material that is a proton or hydrogen ion (H+) donor.

Front

How does an acid taste?

Back

An acid typically tastes sour.

Front

What is a base?

Back

A base is a material that can accept protons or donate hydroxide ions (OH-).

Front

How do dilute aqueous solutions of bases feel to the touch?

Back

Dilute aqueous solutions of bases feel slippery.

Front

What color does pH paper turn when tested with a base?

Back

pH paper turns blue when tested with a base.

Front

Which is more alkaline: coffee, milk, or bleach?

Back

Bleach is more alkaline than coffee and milk.

Front

What is the pH range of acids?

Back

The pH range of acids is from 0 to 7.

Front

What is the pH range of bases?

Back

The pH range of bases is from 7 to 14.

Front

What is a neutral solution?

Back

A neutral solution has a pH of 7, meaning it is neither acidic nor basic.

Front

What is the role of indicators in acid-base chemistry?

Back

Indicators are substances that change color in response to changes in pH, helping to identify whether a solution is acidic or basic.