Properties of Acids

Sour.

• Sweet

• Bitter

• Sour

• Salty

Because they can 'eat away' certain substances.

• They can neutralize bases.

• They can react with metals to produce hydrogen gas.

• They can 'eat away' certain substances.

• They can change the color of indicators.

They turn blue litmus paper red.

• They turn red litmus paper blue.

• They have no effect on litmus paper.

• They turn blue litmus paper red.

• They make litmus paper green.

They donate protons (H+ ions). What is the role of acids in chemical reactions?

• They accept electrons in reactions.

• They donate protons (H+ ions).

• They increase the pH of solutions.

• They act as catalysts in reactions.

0 to 6.

What is the pH range of acids?

• 0 to 3

• 4 to 7

• 0 to 6

• 7 to 14

Hydrochloric acid (HCl).

What is an example of a strong acid?

• Acetic acid (CH₃COOH)

• Hydrochloric acid (HCl)

• Citric acid (C₆H₈O₇)

• Carbonic acid (H₂CO₃)

What happens to the pH of a solution when an acid is added?

• The pH increases.

• The pH remains the same.

• The pH decreases.

• The pH fluctuates unpredictably.

What is the reaction called when an acid and a base neutralize each other?

• Decomposition reaction

• Neutralization reaction

• Combustion reaction

• Synthesis reaction

A proton.

What is a hydrogen ion (H+) also known as?

• A neutron

• A hydrogen atom

• A proton

• An electron