Chapter 11.1: Acids

Question 1

What is an acid?

Answer 1

Substance producing H+ ions in an aqueous solution

Question 2

Name organic acids

Answer 2

Tartaric/citric/lactic acid

Question 3

Name mineral acids

Answer 3

Hydrochloric/sulfuric/nitric acid

Question 4

Properties of acids

Answer 4

1) Taste sour

2) Turn moist blue litmus paper red

3) Dissolve in water to form solution conducting electricity

4) React with reactive metals to form salt and hydrogen gas

5) React with carbonates and hydrogen carbonates to to form salt, water and CO2

6) React with metal oxides and hydroxides to form salt and water only

7) Dissolve in water and do not dissolve in organic substances
- Organic substances do not dissociate the acid into hydrogen ions

Question 5

Which metals do acids not react with?

Answer 5

Gold, silver, platinum, copper

Lead only appears not to react