Acids, Salts and the pH Scale - The pH Scale and Neutralisation

Question 1

What ions do acids produce in aqueous solutions

Answer 1

acids produce hydrogen ions (H+)

Question 2

What ions do aqueous solutions of alkalis contain

Answer 2

hydroxide ions (OH-)

Question 3

How far does the pH scale range and what does it measure

Answer 3

from 0-14

It is a measure of the acidity of alkalinity of a solution and can be measured using universal indicator or a pH probe

Question 4

What pH level is a

1) neutral solution
2) acidic solution
3) alkaline solution

Answer 4

1) 7
2) less than 7
3) greater than 7