Section 6 - Acids and Bases

Question 1

What numbers does the pH scale range from?

Answer 1

0 to 14

Question 2

What pH do acids have?

Answer 2

Acids have a pH less than 7

Question 3

What pH do bases have?

Answer 3

A pH greater than 7

Question 4

What pH do neutral substances have?

Answer 4

7

Question 5

Are acids proton donors or proton acceptors?

Answer 5

Proton donors

Question 6

Are bases proton donors or proton acceptors?

Answer 6

Proton acceptors

Question 7

What do acids release when mixed with water?

Answer 7

Hydrogen ions

Question 8

What do bases take up when mixed with water?

Answer 8

Hydrogen ions

Question 9

What are alkalis?

Answer 9

Bases that are soluble in water

Question 10

What do alkalis release in solution?

Answer 10

Hydroxide ions

Question 11

What is a neutralisation reaction?

Answer 11

Where when an acid reacts with an alkali, a salt and water are formed

Question 12

In neutralisation reactions, what do the hydrogen ions from the acid react with the hydroxide ions from the base to produce?

Answer 12

Water

Question 13

What are 4 common acids?

Answer 13

• Hydrochloric acid
• Sulfuric acid
• Nitric acid
• Ethanoic acid

Question 14

What are 3 common bases?

Answer 14

• Sodium hydroxide
• Potassium hydroxide
• Ammonia