Put the agar cube in a beaker, Measure 25cm3 of dilute hydrochloric acid, add the hydrochloric acid to the beaker , start the stop clock , write down how long it takes the agar cube to change colour, repeat all steps changing the concentration of the acid.

аутор

Табела

Визуелни стил

Поставке

Промени шаблон

Врати аутоматски сачувано: ?