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&lt;/script&gt;</html><description>What will we learn? The properties of substances, characteristics of a reaction (chemistry), and density (physics) What do we need? An empty plastic bottle (330 ml) Vegetable oil (100 ml) Food colouring An effervescent tablet Water (not provided in the kit) How to do it? What&#x2019;s Happening? Please comment below&#x2026;.</description></oembed>
