Unit 8 Acids and Bases Test Pd 4

Front

What is the pH scale range?

Back

0-14

Front

What happens to red litmus paper when it encounters a base?

Back

It turns blue.

Front

What is a characteristic of bases?

Back

They produce OH- ions when dissolved in water.

Front

What is the weakest base among the following options: 8, 14, 7, 11?

Back

8

Front

Do bases turn blue litmus paper red?

Back

False.

Front

What is the characteristic taste of bases?

Back

Very bitter.

Front

What is the characteristic feel of bases?

Back

Slippery to the touch.

Front

What is the definition of an acid?

Back

A substance that donates protons (H+) in a solution.

Front

What is the definition of a base?

Back

A substance that accepts protons (H+) or produces OH- ions in a solution.

Front

What color does blue litmus paper turn in the presence of an acid?

Back

Red.