U8 Acids and Bases - Zeph

Front

What are gastric juices?

Back

Gastric juices are acidic fluids produced in the stomach that aid in digestion.

Front

What does an indicator show when it changes color?

Back

An indicator shows the pH level of a substance when it changes color.

Front

What does it mean if litmus paper turns red when dipped in a substance?

Back

If litmus paper turns red, the substance is acidic.

Front

How do bases taste?

Back

Bases taste very bitter.

Front

What indicates that a substance is basic?

Back

If a substance contains hydroxide ions (OH-), it is basic.

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 substance?

Back

A neutral substance 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 the pH of a solution.

Front

What is the chemical formula for hydrochloric acid?

Back

The chemical formula for hydrochloric acid is HCl.