Chemical Changes & Structure: Acids And Bases

Question 1

Describe the concentration of H⁺ and OH⁻ ions in a neutral solution

Answer 1

[H⁺] = [OH⁻]

Question 2

Describe the concentration of H⁺ and OH⁻ ions in an acidic solution

Answer 2

[H⁺] > [OH⁻]

Question 3

Describe the concentration of H⁺ and OH⁻ ions in an alkali solution

Answer 3

[H⁺] < [OH⁻]

Question 4

Which types of oxides dissolve in water to form an acidic solution?

Answer 4

Non-Metal oxides dissolve to make acids

Question 5

Which types of oxides dissolve in water to form an alkali solution?

Answer 5

Metal oxides dissolve to make alkali solutions

Question 6

Which types of oxides dissolve in water to form a nuetral solution?

Answer 6

None

Question 7

Name 3 metal bases

Answer 7

• Metal oxides
• Metal hydroxides
• Metal carbonates

Question 8

What are spectator ions?

Answer 8

Ions that do not take part in the reaction - remain unchanged at the end of the reaction