acid, bases and salts REVIEW

Front

What color does litmus paper turn when a base is added?

Back

Blue

Front

What should you add to acidic soil to make it neutral?

Back

Add base

Front

What is the pH value of an acid?

Back

A pH value less than 7 indicates an acid.

Front

How does a base taste?

Back

Bitter

Front

Which acid is present in the human stomach?

Back

Hydrochloric acid (HCl)

Front

What is the pH range for acids?

Back

0 to 6.9

Front

What is the pH range for bases?

Back

7.1 to 14

Front

What is a neutral substance's pH value?

Back

A pH value of 7.

Front

What is the chemical formula for sodium hydroxide, a common base?

Back

NaOH

Front

What is the process of neutralization?

Back

The reaction between an acid and a base to form water and salt.