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karpenkosofia241209
@karpenkosofia241209
July 2023
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Із запропонованих хімічних рівнянь виберіть реакції окиснення:
1. Pb + O2 = PbO
2. К+ O2 = K2O
3. ZnS + O2 = ZnO + SO2
4. H2S + SO2 = S + H2O
5. P2O5 + H2O=H3PO4
6. CaO + H2O = Ca(OH)2
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semviktoriya320
Ответ:
1. Pb + O2 = PbO
2. К+ O2 = K2O
4 votes
Thanks 2
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Report "Із запропонованих хімічних рівнянь виберіть реакції окиснення: 1. Pb + O2 = PbO 2. К+ O2 = K2O 3. ZnS + O2 = ZnO + SO2 4. H2S"
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Ответ:
1. Pb + O2 = PbO
2. К+ O2 = K2O