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Describing chemicals and chemical processes

active

adjective

producing a chemical or biological reaction

aerobic

adjective

using oxygen

alkaline

adjective

containing an alkali or consisting of an alkali

anaerobic

adjective

living or happening without oxygen from the air

catalytic

adjective

causing a chemical reaction to happen more quickly

chemical

adjective

involving chemistry or produced by a method used in chemistry

chemical equation

noun

a method of describing the process involved in a chemical reaction, using chemical symbols to show the reactants and products

concentrated

adjective

concentrated liquids or substances have been made stronger by having water removed

corrosive

adjective

a corrosive substance contains chemicals that can cause damage

crude

adjective

a crude substance is still in its natural state and has not yet been refined for use by chemical processes

dehydrated

adjective

a dehydrated chemical compound has lost hydrogen or oxygen atoms in the ratio 2:1

elemental

adjective

consisting of a simple chemical element

endothermic

adjective

an endothermic reaction is a chemical reaction in which heat is absorbed, not produced

exothermic

adjective

an exothermic reaction is a chemical reaction in which heat is produced, not absorbed

free

adjective

not combined with another substance, or not attached to anything else

galvanic

adjective

producing electricity, especially by chemical action

inactive

adjective

an inactive chemical substance does not react strongly with other substances

industrial-strength

adjective

industrial-strength substances or chemicals are strong enough to use in industry

inert

adjective

an inert substance does not produce a chemical reaction when it is mixed with other substances

inorganic

adjective

not consisting of or produced from any living thing

insoluble

adjective

an insoluble substance does not dissolve and disappear when you put it into liquid

molecular weight

noun

the total of the atomic weights of all the elements in a compound

neutral

adjective

a neutral chemical is neither an acid nor a base

organic

adjective

organic compounds contain carbon and can produce energy

reactive

adjective

a reactive substance experiences a chemical reaction when it is mixed with another substance

saturated

adjective

a chemical solution that is saturated has as much of a solid substance as possible mixed in it as part of the liquid

spontaneous

adjective

used about chemical or biological changes or processes that happen suddenly in a natural way

sulphurous

adjective

relating to or containing sulphur

unstable

adjective

an unstable substance reacts very easily with other chemical substances and can be dangerous

chemically

adverb

metalloid

adjective

nitrogenous

adjective

phosphorous

adjective

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