06:50

Aspirin hydrolysis

03:40

Iron oxide, aluminium and magnesium

01:43

Testing for an alkene IMG 2225

01:14

IGCSE Chemistry quiz - identify three gases

03:11

Magnesium plus sulphuric acid NPGF8193

02:19

Limewater and carbon dioxide tests on two scales IMG 1978

03:59

Iron III thiocyanate art DGHG7361

03:06

Factors affecting the rate of a chemical reaction WNOD4382

01:24

Heating iodine

02:11

Heating sulphur

05:48

Separating salt and sand

05:26

Titration of HCl against NaOH using methyl orange indicator MYFI9765

06:37

Testing three blue solutions and other unknowns NTRG2511

00:49

Magnesium and iron sulfate solution IMG 0760

12:30

GCSE Chemistry Testing three unknown substances DXDE9049

01:15

Limewater test for carbon dioxide No sound IMG 0423

01:28

Testing carbon dioxide with limewater IMG 0422

03:55

Reactions of acids and using Universal Indicator at school PXL 20220121

02:17

The reactions of lithium, sodium and potassium with water PXL 20220119

01:23

Bicarbonate rockets in slow motion 2 C0133

00:20

Bicarbonate rockets in slow motion

01:21

Biarb rocket PXL 20210815

00:27

Bicarb rocket - Testing the bung is water tight PXL 20210815

01:39

Preparing a bicarb rocket at home PXL 20210815

01:30

Heating a mixture of copper (II) oxide and carbon C0118

02:22

Snow statues close-up DSCN1174

02:13

Snow statues 2

04:34

Snow statues

13:01

Recrystallisation of copper sulfate C0068

01:36

Sodium chloride crystals from cooking salt and sea salt DSCN1087

02:37

Recrystallisation of sodium chloride at home C0061

08:02

Electrolysis of yellow tulip extract DSCN0956

02:32

Electrolysis of tulip flower extract DSCN0933

05:01

What time is it?

01:04

Testing for oxygen gas C0055

01:10

Testing for hydrogen gas C0053

02:09

Testing for carbon dioxide C0051

07:57

Testing gases

03:08

Electrode for collecting gas in electrolysis C0042

00:28

Electrolysis of sodium chloride solution PXL

01:29

Electrolysis of sodium chloride solution DSCN0887

06:07

Electrolysis of dilute sodium chloride solution C0035

03:34

Electrolysis of a dilute sodium chloride solution C0034

01:33

Snail shells and vinegar DSCN0874

08:51

Paper chromatography of some pen inks C0030

14:26

PIC Pen ink chromatography C0027

09:59

FCC Food Colour Chromatography C0026 3

06:48

Heating a mixture of iron and sulphur C0017

03:09

Four metals and vinegar close-up DSCN0854a

05:00

The reaction of four metals with vinegar C0015a

05:15

Reacting magnesium with three different acids C0014

00:33

Four metals and hydrochloric acid DSCN0844

07:24

Four metals and hydrochloric acid C0008a

04:32

Heating Cotswold limestone C0001a

06:28

Heating limestone C0215 C0217

01:00

Mixing two natural food colours

07:18

Four food colours and pH C0207

00:59

Materials for chemical volcanoes DSCN0815

01:18

Sodium bicarbonate and vinegar DSCN0797

00:43

Chemical volcanoes 2 DSCN0808