201
al+o2 - al+o2 | in vo ch trng Al O2 suy
4.9
₫201,221
55% off
IDR:368
3+
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Item description
al+o2 iền vào chỗ trống: .Al + .O2 → .Al2O3 A. 2, 3, 1. B. 4, 3, 2. C. 4, 2, 3. D. 2, 3, 2.
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