Science Chemistry.

Acids and bases, Reaction and laws

Conservation of mass

The scientific law that mass cannot be created or destroyed.

Caustic

Able to burn or corrode organic tissue through chemical action.

Corrosive

Highly reactive and damaging or destructive to another substance.

pH

A figure expressing the acidity or alkalinity of a solution.

Neutralise

To make something chemically neutral.

Hydrocarbon

A compound made up of only hydrogen and carbon.

Electrolysis

A decomposition reaction using electricity.

Oxidation

A reaction taking place in the presence of oxygen.

Soot

A black form of carbon formed by incomplete combustion.

Alkali

A base that is dissolved in water.

Concentration

The amount of a substance in a volume of solution.

Acids

Are substances that are sour and react by turning blue litmus paper red.

Bases

Are substances that is bitter and reacts by turning red litmus paper blue.

Endothermic reactions

Are chemical reactions that absorb heat from their surroundings, resulting in a decrease in temperature.

Exothermic reactions

Are chemical reactions that release energy in the form of heat, resulting in an increase in temperature.

Combustion