Unit 1 iii) Acids And Bases

Question 1

What is the pH of an acid?

Answer 1

Below 7

Question 2

What is the pH of an alkali?

Answer 2

Above 7

Question 3

What is the pH of water?

Answer 3

7

Question 4

Name 2 common household acids?

Answer 4

Vinegar
Fizzy Drinks
Soda Water

Question 5

Name 2 common household alkali’s?

Answer 5

Baking Soda
Oven Cleaner
Bleach

Question 6

Name 2 common lab acids?

Answer 6

Hydrochloric Acid
Sulphuric Acid
Nitric Acid
Carboxylic Acids

Question 7

Name 2 common lab alkali’s?

Answer 7

Sodium Hydroxide
Calcium Hydroxide
Potassium Hydroxide
Ammonia Solution

Question 8

What ion do all acids contain?

Answer 8

H+

Question 9

What ion do all alkali’s contain?

Answer 9

OH-

Question 10

What do non-metal oxides dissolve in water to make?

Answer 10

Acids

Question 11

What do soluble metal oxides dissolve in water to form?

Answer 11

Alkali’s

Question 12

What is the ion concentration in acids?

Answer 12

Greater concentration of H+ than OH- ions

Question 13

What is the ion concentration in water?

Answer 13

Equal concentration of OH- than H+ ions

Question 14

What is the ion concentration in alkali’s?

Answer 14

Greater concentration of OH- than H+ ions