Oxalic Acid


A relatively strong organic acid, being about 10,000 times stronger than acetic acid.

Alternative expression for Oxidizing Agent.
The loss of one or more electrons by an atom, molecule, or ion.
Oxidation Half Reaction
That part of a redox reaction that involves loss of electrons.
Oxidation Number
A number assigned to each atom to help keep track of the electrons during a redox-reaction.
Oxidation of Engine Oil
The reaction of the oil with an electron acceptor, generally oxygen, that can produce deleterious acidic or resinous materials.
Oxidation Reaction
A reaction where a substance loses electrons.
Oxidation-Reduction Reaction
A reaction in which electrons are transferred from a donor to an acceptor.
A binary compound that contains oxygen in the -2 oxidation state.
Oxidizing Agent
Cause other substances to be oxidized in chemical reactions while they themselves are reduced.
Oxidizing Flame
An oxyacetylene flame in which there is an excess of oxygen.
Oxyacetylene Welding
A welding process in which the required temperature is attained by flames obtained from the combustion of acetylene with oxygen.
When one or more hydroxide (OH) groups are bonded to a central atom.
A colourless and odourless element that is essential for most life forms on earth. It is also the most abundant element on earth.
Oxygen Cutting
A process of cutting ferrous metals by means of the chemical action of oxygen on elements in the base metal at elevated temperatures.
Oxygen Sensor
Measures the percentage of oxygen in the exhaust, and tells the computer whether the fuel/air mixture is too rich or too lean.
Enzymes that catalyze reactions in which oxygen is introduced into an acceptor molecule.
Oxygenated Fuel
Any fuel substance containing oxygen, such as ethanol, methanol, or biodiesel.