Acids and Bases Intro

Front

What is an indicator?

Back

An indicator is a substance that changes color when it comes into contact with an acidic or basic solution, helping to determine the pH level.

Front

What does it mean if a substance feels soapy or slippery?

Back

If a substance feels soapy or slippery, it is likely a base.

Front

What is the pH level of an acid?

Back

The pH level of an acid is less than 7.

Front

What is the pH level of water?

Back

Water is neutral with a pH level of 7.

Front

What taste is commonly associated with acids?

Back

Acids often taste sour.

Front

What is a base?

Back

A base is a substance that can accept hydrogen ions (H+) and typically has a pH greater than 7.

Front

What is the definition of pH?

Back

pH is a scale used to measure the acidity or basicity of a solution, ranging from 0 to 14.

Front

What happens to an indicator in an acidic solution?

Back

An indicator will change color in an acidic solution, signaling the presence of acid.

Front

What is a common property of bases?

Back

Bases often feel slippery and can taste bitter.

Front

What is the relationship between pH and acidity?

Back

A lower pH value indicates higher acidity, while a higher pH value indicates lower acidity.