Available online
Description
Why the commonist metals on the Earth's crust were only discovered long after the use of some of the rarest.
Why the commonist metals on the Earth's crust were only discovered long after the use of some of the rarest.
| Module code and title: | S247, Inorganic chemistry: concepts and case studies |
|---|---|
| Item code: | S247; 01 |
| First transmission date: | 1981 |
| Published: | 1981 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:30 |
| + Show more... | |
| Producer: | John Simmons |
| Contributor: | David Johnson |
| Publisher: | BBC Open University |
| Keyword(s): | 19th century; Aluminium; Atoms; Gold and silver prices; Metals; Reactions |
| Subject terms: | Chemical elements; Chemistry, Inorganic |
| Footage description: | Footage - Gold figures, raft (0'15-0'41") - Gold ring, mound of earth. Panning for gold (1'16"-1'58") - Draglines. Pit (2'30"-2'52") - Iron ore. Explosin. Trains being loaded with iron ore. Blast furnace. Animation of blast furnace Molten process (3'17"-5'17") - Iron ore, metalllic iron, slag (5'22"-5'42") - Gold, iron, iron stone, aluminium, bauxite (6'14"-6'37") - Gold, silver, mercury, copper. Thermometer. Electrical wire. Iron, tin, lead, zinc. Aluminium pan, magnesium, sodium. Sodium reacting with water (6'50"-8'49") - Experiment heating mercuric oxide. Gold, silver and copper added to dilute hydrochloric acid (9'52"-11'37") - Bronze statue of George Washington in Trafalgar Square, green stain on plinth. Oxidation reaction, copper turnings added to concentrated nitric acid (11'57"-12'56") - Lead oxide being heated, with no effect. Carbon added & globules of metallic lead form. Iron & zinc added to diluet. hydrochloric acid, both are oxidised producing hydrogen (13'33"-16'26"). |
| Master spool number: | HOU3424 |
| Production number: | FOUS080E |
| Videofinder number: | 4374 |
| Available to public: | no |
