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any process in which a substance reacts with oxygen to produce a significant rise in temperature, and light is given off (burning process).
take up or receive
when radioactive particles collide with air molecules, they can cause the molecules to lose or...
materials that exhibit strong magnetic effects; form magnets or are attracted to magnets
bases that only partially ionise e.g. H2O.
dealing only with the nature, and not with the specific amounts of the substance under...