CHEMISTRY GLOSSARY

marked matter    →   označena tvar

Marked matter is matter which has a radioisotope inside.

amphoteric substances    →   amfoterna tvar

Amphoteric substances can behave as acids or as bases depending upon their surroundings. So aluminium hydroxide in reaction with acids will behave as a base

and in reaction with bases it will act as an acid

crystalline substance    →   kristalna tvar

Crystalline substances are substances that contain crystals.

dissolved substance    →   otopljena tvar

Dissolved substance is a solid, liquid or gas matter dissolved in a solvent. Depending upon the particle size of dissolved substance, solutions differ in properties and can be divided into real solutions (diameter of particles is smaller than 1 nm), colloid solutions (diameter of particles is from 1 nm to 200 nm) and suspensions (diameter of particles is greater than 200 nm).

elementary substance    →   elementarna tvar

Elementary substance is a simple and pure substance which can not be, by chemistry methods, decomposed further into simpler substances.

foreign matter    →   strana tvar

Foreign matter most commonly refers to the presence of unwanted or undesirable material present in foods or chemicals.

impure substance    →   nečista tvar

Impure substance is every substance that contains traces of other elements or compounds in itself.

insoluble substance    →   netopljiva tvar

Insoluble substance is a substance that does not dissolve in a solvent to give a reasonable concentration (e.g. chalk is insoluble in water).

miscible matter    →   mješljiva tvar

Miscible matter is capable of being mixed in any ratio with another matter without separation of two phases.

mutagenic substance    →   mutagena tvar

Mutagenic substances are substances that cause mutation, a change in inheritable properties of an organism.