File:29. Волшебни пијалаци.ogv
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Description29. Волшебни пијалаци.ogv |
Македонски: Во пет чаши се ставаат по неколку милилитри:
Кон сите чаши се додава вода со универзален индикатор. Бојата на растворите по додавањето е црвена, светлоцрвена, портокалова, зелена, виолетова, соодветно, што соодветствува на силно кисела, слабо кисела, речиси неутрална (во водата може да има растворено малку јаглерод диоксид, што ја намалува нејзината рН вредност), слабо базна и силно базна средина. Осмислено и изведено од Марина Стојановска, Миха Буклески и Владимир Петрушевски, Институт за хемија, ПМФ, УКИМ, Скопје.English: Five glasses contain few milliliters of:
Some amount (equal volumes) of water containing universal indicator paper is added in all glasses. The color of the solutions turns red, light red, orange, green, and violet, respectively. They correspond to strong acid, weak acid, neutral (some CO2 may be dissolved in the water decreasing its pH value), weak base and strong base. Planned and performed by Marina Stojanovska, Miha Bukleski and Vladimir Petruševski, Department of Chemistry, FNSM, Ss. Cyril and Methodius University, Skopje, Macedonia. |
Date | |
Source | Own work |
Author | Карас Студио |
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current | 12:29, 22 February 2020 | 28 s, 1,920 × 1,080 (19.91 MB) | Инокентиј (talk | contribs) | User created page with UploadWizard |
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