ELECTROLYSIS

Question 1

Anode

Answer 1

The positive electrode in an electrolytic cell, toward which negatively charged particles are attracted.

Question 2

Cathode

Answer 2

The negative electrode in an electrolytic cell, toward which positively charged particles are attracted.

Question 3

Electrodes

Answer 3

An electrode is a solid electric conductor that carries electric current into non-metallic solids, or liquids, or gases.

Question 4

Cation

Answer 4

A positively charged ion that is formed when a metallic element loses one or more electrons

Question 5

Anion

Answer 5

An ion with negative charge, meaning it has more electrons than protons

Question 6

Electrolyte

Answer 6

A substance that dissociates in water into charged particles called ions.

Question 7

Ore

Answer 7

Naturally occurring rocks that contain metals or metal compounds in sufficient amounts to make it worthwhile extracting them

Question 8

Extraction

Answer 8

The process of selectively removing a compound of interest from a mixture using a solvent

Question 9

Cryolite

Answer 9

a mineral consisting of a fluoride of sodium and aluminum found especially in Greenland usually in white cleavable masses and formerly used as a source of aluminum.

Question 10

Bauxite

Answer 10

a mixture of minerals which contain, as well as impurities, different concentrations of hydrated aluminium oxides

Question 11

Oxidation

Answer 11

a process that occurs when atoms or groups of atoms lose electrons.

Question 12

Reduction

Answer 12

the transfer of electrons between species in a chemical reaction, where there is a process of gaining electrons or a decrease in the oxidation state by an element