Vocabulaire pour IELTS (Académique) - Chimie
Ici, vous apprendrez quelques mots anglais sur la chimie, tels que "arsenic", "catalyseur", "distiller", etc., qui sont nécessaires pour l'examen IELTS.
Réviser
Flashcards
formes
Orthographe
Quiz
(chemistry) a poisonous white powder used in making glass, pesticides, and weed killers
arsenic
a chemical element, symbol Ca, that is essential for healthy bones and teeth and occurs naturally in many foods and minerals
calcium
a chemical element present in all living things and in substances such as coal, graphite, and diamond
carbone
a reddish-brown metallic chemical element that conducts heat and electricity well and is widely used in electrical wiring and alloys
cuivre
(chemistry) a very light, colorless, inert gas that is the hardest gas to liquefy and is found in natural gas deposits
hélium
a valuable yellow-colored metal that is used for making jewelry
or
a metallic chemical element with a silvery-gray appearance, widely used for making tools, steel, buildings, and various industrial products
fer
a heavy soft metal, used in making bullets, in plumbing and roofing, especially in the past
plomb
a water-soluble chemical substance that contains Hydrogen and has a sour taste or corrosive feature with a PH less than 7
acide
(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself
catalyseur
Les nanoparticules de platine ont agi comme un catalyseur efficace pour la réaction, abaissant considérablement l'énergie d'activation nécessaire.
(chemistry) a substance used in or produced by a reaction that changes atoms or molecules
produit chimique
a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties
élément
a pure substance formed from two or more chemical elements chemically bonded in fixed proportions
composé
(chemistry) to combine and form a compound with water molecules
hydrater
Le gypse, un minéral composé de sulfate de calcium, s'hydrate lorsqu'il est mélangé avec de l'eau pour former du sulfate de calcium hydraté.
(chemistry) a combination of two or more substances without forming a chemical bond or any chemical reaction
mélange
to take in a liquid, gas, or other substance from the surface chemically or physically
adsorber
evenly distributed or in a state of stability
équilibré
Le budget équilibré a alloué des fonds de manière égale à travers divers départements.
(chemistry) to react in a particular way because of the laws
réagir
a link that holds atoms or ions together in any molecule or crystal
liaison
to increase the rate of a chemical reaction
catalyser
L'ajout d'une petite quantité d'acide peut catalyser l'hydrolyse de certains composés.
a chemical or nuclear process that is self-sustained and its products cause other processes of the same kind
réaction en chaîne
(chemistry) a process in which several chemicals combine and form different substances
réaction chimique
(chemistry) to lose water molecules during a chemical reaction
se déshydrater
Lorsque l'excès d'eau est éliminé, le ciment peut se déshydrater, ce qui entraîne une perte de résistance et de durabilité.
to heat a liquid and turn it into gas then cool it and make it liquid again in order to purify it
distiller
Les huiles essentielles ont été distillées à partir de diverses plantes aromatiques.
a symbolic representation of a chemical reaction showing reactants and products
équation
a symbolic representation of a chemical substance using its constituent elements
formule
(chemistry) to become separated from the solvent in a solid form
précipiter
Alors que la température baissait, les minéraux dissous dans l'eau ont commencé à précipiter, formant des dépôts à la surface des tuyaux.
(chemistry) a process in which several chemicals combine and form different substances
réaction
a light silver-gray metal used primarily for making cooking equipment and aircraft parts
aluminum
Les ingénieurs préfèrent l'aluminium pour la construction d'aéronefs en raison de son excellent rapport résistance/poids.
