Formative 5E-H pH Scale

Front

What is the characteristic ion of a base?

Back

hydroxide ion (OH⁻)

Front

Which pH value indicates a basic solution?

Back

12

Front

What method can be used to test if a liquid is acidic using litmus paper?

Back

Dip blue litmus paper into the liquids; it will turn red if the liquid is acidic.

Front

What does it mean if a substance turns red litmus paper blue?

Back

The substance is a base.

Front

What does it mean if a substance turns blue litmus paper red?

Back

The substance is an acid.

Front

What is a common property of acids?

Back

Sour taste.

Front

What is a common property of bases?

Back

Slippery feel.

Front

What is the pH range of acidic solutions?

Back

pH less than 7.

Front

What is the pH range of basic solutions?

Back

pH greater than 7.

Front

What is neutral pH?

Back

pH of 7.