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a method of determining the concentration of an acid or base by neutralising it with a base or acid of known concentration.
a group of very reactive chemical elements that readily lose their one valence electron to form...
Système International dâUnités. Internationally agreed coherent system of units: distance in...
the process whereby carbon is turned into carbohydrates in plants, and becomes available as an...
a polymerisation reaction is terminated by any reaction that uses up the radicals.
a molecule that has a partial negative charge at one end and a partial positive charge at the...