көрсеткіш

көрсеткіш

A substance that undergoes an sharp, easily observable change when conditions in its solutions change. See, for example, acid-base indicator and redox indicator .

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A cursor that can reflect data modifications made to underlying data by other users while the cursor is open.

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A compound that consists of only carbon and hydrogen, that contains at least one carbon-carbon double bond. Alkene names end with -ene. Examples are ethylene (CH2=CH2); 1-propene ...

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An insulated vessel for measuring the amount of heat absorbed or released by a chemical or physical change.

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1. An -OH group within a molecule. 2. A free radical formed by abstraction of a hydrogen atom from water.

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Флойд Мейвезер

Born Floyd Sinclair on February 24, 1977, an American professional boxer. He is a five-division world champion, where he won nine world titles in five ...