Acids and Bases

Front

What happens when an acid is dissolved in water?

Back

It does not turn red litmus paper blue; it turns blue litmus paper red.

Tags

NGSS.MS-PS1-5

Front

What does pH measure?

Back

The concentration of H+ ions in a solution.

Front

Do all bases have a sour taste?

Back

No, that statement is false; bases typically have a bitter taste.

Front

What pH value represents a base?

Back

A pH value greater than 7, for example, 8.1.

Front

Which of the following is a base?

Back

Baking soda in water.

Front

What is an acid?

Back

A substance that donates H+ ions in a solution.

Front

What is a base?

Back

A substance that accepts H+ ions or donates OH- ions in a solution.

Front

What is the pH scale range?

Back

The pH scale ranges from 0 to 14.

Front

What pH value is considered neutral?

Back

A pH value of 7 is considered neutral.

Front

What color does litmus paper turn in an acidic solution?

Back

Red.