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🧪✨ Dá pra limpar prata usando apenas itens de casa — e o segredo está na química! Quando você mistura água quente, bicarbonato de sódio, sal de cozinha e papel alumínio, acontece uma reação de eletroquímica simples. A prata escurecida está coberta por sulfeto de prata , formado quando o metal reage com o enxofre do ar. Ao colocar a prata em contato com o alumínio, em meio à solução salina e quente, os íons se movimentam: 🔹 O alumínio doa elétrons . 🔹 A prata recebe es
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Memut
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