the reactivity series

Question 1

what is the order of the reactivity series?

Answer 1

potassium sodium calcium magnesium aluminium zinc iron tin lead copper silver gold

Question 2

what metals tarnish in cold air?

Answer 2

potassium to silver

Question 3

what metals burn and form oxide when heated in air?

Answer 3

potassium to iron

Question 4

what metals form oxide when heated in air?

Answer 4

tin to copper

Question 5

what metal oxides are white?

Answer 5

potassium to zinc

Question 6

what metal oxides are brown?

Answer 6

iron and silver

Question 7

what metal oxides are black?

Answer 7

tin and copper

Question 8

what metal oxide is yellow?

Answer 8

lead

Question 9

what metals explode in dilute acid?

Answer 9

potassium and sodium

Question 10

what metals make hydrogen and metal chloride/sulfate in dilute acid?

Answer 10

calcium to tin

Question 11

what metals are oxidised by nitric acid?

Answer 11

lead to gold

Question 12

what metal has a purple flame when reacted with cold water?

Answer 12

potassium

Question 13

what metal fizzes when reacted with cold water?

Answer 13

sodium

Question 14

what metal bubbles when reacted with cold water?

Answer 14

calcium

Question 15

what metals forms hydrogen and alkaline hydroxide with cold water?

Answer 15

potassium to calcium

Question 16

what metal reacts slowly with water?

Answer 16

magnesium

Question 17

what metals form hydrogen and metal oxide when heated in steam?

Answer 17

magnesium to iron

Question 18

what metal doesn’t react with cold air?

Answer 18

gold

Question 19

what metals don’t react when heated in air?

Answer 19

silver and gold

Question 20

what metals don’t react with cold water?

Answer 20

aluminium to gold

Question 21

what metals don’t react when heated in steam?

Answer 21

tin to gold

Question 22

why does aluminium act like its nonreactive?

Answer 22

it has a thin layer of oxide that acts like a barrier

Question 23

what is oxidation?

Answer 23

the gain of oxygen and loss of electrons

Question 24

what is reduction?

Answer 24

the loss of oxygen and gain of electrons

Question 25

what does the oxidising agent do?

Answer 25

provides oxygen and gets reduced

Question 26

what does the reducing agent do?

Answer 26

gets oxidised

Question 27

what does iron need to rust?

Answer 27

water and oxygen

Question 28

what speeds up the iron's rusting?

Answer 28

salt

Question 29

why does boiled water prevent rusting?

Answer 29

there's no oxygen in boiled water

Question 30

why does oil and paint prevent rusting?

Answer 30

they stop oxygen from entering

Question 31

why does cobalt chloride prevent rusting?

Answer 31

it dries out the air

Question 32

what methods prevent rusting?

Answer 32

painting, oiling and galvanising

Question 33

what is galvanising?

Answer 33

zinc acts as a sacrificial metal by preventing air and water from reaching the iron/steel

Question 34

how does oil and paint prevent rusting?

Answer 34

they act as a barrier for air and water

Question 35

where is carbon in the reactivity series?

Answer 35

between aluminium and zinc

Question 36

where is hydrogen in the reactivity series?

Answer 36

between lead and copper

Question 37

with which metals does air react with and have a typical equation?

Answer 37

magnesium to zinc and copper

Question 38

with which metals does dilute acid react with and have a typical equation?

Answer 38

calcium to iron

Question 39

which metals react with hydrochloric acids when reacting with dilute acids?

Answer 39

calcium, aluminium and iron

Question 40

which metals react with sulfuric acids when reacting with dilute acids?

Answer 40

magnesium and zinc

Question 41

with which metals does water react with and have a typical equation?

Answer 41

potassium to iron except aluminium