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| chemical reaction A change in which a substance is transformed into one or more new substances; chemical reaction; chemical reactions | |||
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| chemical reaction | |||
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chemische reacties : 10 צירופים, 3 נושאים |
| כִּימִיָה | 5 |
| מדעי כדור הארץ | 1 |
| תעשיית האנרגיה | 4 |