Acids and bases

Question 1

True or false a neutral solution has equal numbers of hydrogen and hydroxide ions

Answer 1

True

Question 2

Where do acids fall on the ph scale

Answer 2

Acidic solutions have a pH of below 7

Question 3

Describe the hydrogen and hydroxide ions in acids

Answer 3

Acids have a higher concentration of hydrogen ions than hydroxide ions

Question 4

Where do alkaline solutions fall on the pH scale

Answer 4

Alkaline solutions have a ph of above 7

Question 5

Describe the hydrogen and hydroxide ions in alkalis

Answer 5

Alkaline solutions have a higher concentration of hydroxide ions than hydrogen ions

Question 6

What happens to soluble non metals when they are dissolved in water

Answer 6

They will form acidic solutions

Question 7

What happens to soluble metals when they are dissolved in water

Answer 7

They form an alkali solution

Question 8

What are the three bases

Answer 8

Metal oxides, metal hydroxides, and metal carbonates

Question 9

What does a metal oxide + an acid form

Answer 9

Water and a salt

Question 10

What does a metal hydroxide and an acid form

Answer 10

Salt and water

Question 11

What does metal carbonate and an acid form

Answer 11

Salt, water and carbon dioxide

Question 12

What are spectator ions

Answer 12

Ions that remain unchanged by the reaction

Question 13

What is an insoluble non metal

Answer 13

Silicon dioxide

Question 14

True or false acids conduct electricity

Answer 14

True