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Version 7.1 by Alexandru Pentilescu on 2024/05/18 17:19
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3 = Chemical reaction which happens when adding vinegar to limestone =
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5 Using vinegar is a common method to remove limestone from equipment or tools that are usually submerged in tap water. The chemical reaction that happens when this happens is the following.
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7 CaCO,,3,, (the limestone) + 2CH,,3,,COOH (the vinegar) → Ca(CH,,3,,COO),,2,, (calcium acetate) + H,,2,,O (water) + CO,,2,, (carbon dioxide)
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9 = What can and cannot be recycled =
10 As far as plastic is concerned, every plastic type except for type 3 (PVC) and types 6 (PS) and 7 (Other), can be recycled safely. Which is good.
11 Types 3, 6, and 7 should not be recycled, ever.
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13 Note: **the above only applies to the Romanian recycling system**
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15 [[Source>>https://micilebucurii.ro/schimbari-climatice/ghid-reciclarea-deseurilor-colectare-separata-coduri-reciclare/#htoc-reciclare-plastic]]
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17 == Side note ==
18 As far as carton is concerned, PAP 21 (carton), PAP 22 (paper), PAP 20 (corrugated cardboard) and C/PAP 81 (carton + plastic) and C/PAP 84 (aseptic - carton, plastic, aluminium) can all be sorted as carton packaging.
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20 [[Source>>https://hsy.fi/en/waste-and-recycling/sorting/carton-and-cardboard]]