Patterns If Reactivity

Question 1

What is metal+water

Answer 1

Metal hydroxide+ hydrogen

Question 2

What is metal+acid

Answer 2

Salt+hydrogen

Question 3

List the reactivity series

Answer 3

Potassium,sodium,magnesium,aluminium,zinc,iron,copper,silver,gold

Question 4

What is potassium+ water

Answer 4

Potassium hydroxide+hydrogen

Question 5

What is magnesium+ sulphuric acid

Answer 5

Magnesium sulphate+ hydrogen

Question 6

What is silver nitrate+ copper

Answer 6

Copper nitrate+ silver

Question 7

What is zinc+ copper sulphate

Answer 7

Zinc sulphate+ copper

Question 8

Iron+ water+ oxygen

Answer 8

Hydrated iron oxide

Question 9

What are the conditions needed for rusting to occur

Answer 9

Water and oxygen

Question 10

Name 4 methods of used to prevent iron from rusting

Answer 10

Painting, galvanising, plastic coating and sacrificial protection

Question 11

What is magnesium+ oxygen

Answer 11

Magnesium oxide