Chemistry-obtaining and using metals

Beschreibung

Topic 4a
morgan brazier
Karteikarten von morgan brazier, aktualisiert more than 1 year ago
morgan brazier
Erstellt von morgan brazier vor mehr als 5 Jahre
6
0

Zusammenfassung der Ressource

Frage Antworten
oxidation is the ____ of oxygen gain
Reduction is the ____ of oxygen loss
what is a displacement reaction? were a higher reactive metal replaces a lower reactivity metal in a solution of its salt
how is gold ore found,why? native, that unreactive that it doesn't react with any other metal
what is bio leaching? using bacteria to extract metals as it breaks the weak bonds
what is phytoextraction? using plants to extract low grade ores through their roots, then burning them to release the carbon leaving the impure ore
what is an advantage and disadvantage of bio leaching? cheaper, as it requires less specialists than traditional methods economical: very slow compared to smelting therefore less cash inflow environmental:toxic fumes are sometimes released in the process
what is an advantage and disadvantage of phytoextrction? environmental: generally considered more greener than smelting economical:cheaper it depends on weather to be run in operation
What inert metal? a metal that is not reactive
what is oxidation? what is reduction? electrons OILRIG Oxidation Is Loss Reduction Is Gain of electrons
what is electroplating? Electroplating is a process that uses an electric current to reduce dissolved metal cations so that they form a thin coherent metal coating on an electrode
what is the charge of an anode? what is the charge of a cathode? PANIC Positive Anode Negative Is Cathode
Zusammenfassung anzeigen Zusammenfassung ausblenden

ähnlicher Inhalt

Using GoConqr to study science
Sarah Egan
Electrolysis
lisawinkler10
Elements, Compounds and Mixtures
silviaod119
Chemistry General Quiz - 2
lauren_johncock
Chemistry Quiz General -3
lauren_johncock
Chemistry Module C2: Material Choices
James McConnell
AS Chemistry - Enthalpy Changes
Sarah H-V
The Periodic Table
asramanathan
Acids and Bases
Sarah Egan
Ionic Bondic Flashcards.
anjumn10
Acids and Bases
silviaod119