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Oleg Anatolievich
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1. Electric Hob t > 60*C;
2. Chalk;
3. Inorganic salt;
4. They have identical residues;
5. Wet litmus paper;
6. The chemical formula of the inorganic salt?

https://youtu.be/P9x4nGC06Uk

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1. Electric Hob t > 60*C;
2. Chalk;
3. Inorganic salt;
4. They have identical residues;
5. Wet litmus paper;
6. The chemical formula of the inorganic salt?

https://youtu.be/P9x4nGC06Uk

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bfu_foundation Ukraine
https://telegram.me/BFU_Cryptochat
@BFU_Cryptochat

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