A1 - Metal Oxides and Hydroxides

Question 1

Define a base

Answer 1

A compound that reacts with an acid to form a salt and water

Question 2

What type of substance reacts with an acid to form a salt and water?

Answer 2

A base

Question 3

Define an acid

Answer 3

A compound containing hydrogen that dissociates to form hydrogen ions (H+)

Question 4

What type of compound contains hydrogen and dissociates to form hydrogen ions (H+)?

Answer 4

An acid

Question 5

Define a salt

Answer 5

Formed when a base and alkali neutralise

Question 6

What type of compound is formed when a base and alkali neutralise

Answer 6

A salt

Question 7

Define the term amphoteric

Answer 7

A substance that can act as an acid or a base

Question 8

What is the name for a substance that can act as an acid or a base

Answer 8

Amphoteric

Question 9

What is the formula of alumina?

Answer 9

Al2O3

Question 10

What is the name of Al2O3?

Answer 10

Alumina

Question 11

What is a property of Al2O3?

Answer 11

Amphoteric

Question 12

Give an example of an amphoteric substance

Answer 12

Al2O3

Question 13

What type of substance are metal oxides and metal hydroxides?

Answer 13

Bases

Question 14

Give an example of a base

Answer 14

MgO, Na2O, Mg(OH)2, Ca(OH)2

Question 15

What type of chemicals are MgO, Na2O, Mg(OH)2, CaOH?

Answer 15

Bases

Question 16

What type of substance are non-metal oxides?

Answer 16

Acids

Question 17

What type of substance are SO2, NO2, NO3, and P4O10?

Answer 17

Acid

Question 18

Give an example of an acid that is not HCl, H2SO4, H3PO4, or HNO3

Answer 18

SO2, NO2, NO3, or P4O10

Question 19

What ion causes metal oxides to act as bases?

Answer 19

O2-

Question 20

The O2- ion causes metal oxides to act as what?

Answer 20

Bases

Question 21

What ion do acids give up?

Answer 21

H+

Question 22

What type of reaction takes place between acids and bases?

Answer 22

Neutralisation