A.4:3:2 | B.9:3:16 | C.2:2:1 | D.9:3:8 |
A.1.0×10-3mol |
B.1.6×10-3mol |
C.2.2×10-3mol |
D.2.4×10-3mol |
A.N2O |
B.NO |
C.NO2 |
D.N2O5 |
A.3:5 | B.5:3 | C.3:7 | D.7:3 |
A.红磷无毒,白磷有毒 | B.白磷易溶于CS2,红磷不溶于CS2 |
C.白磷和红磷燃烧后,都只生成五氧化二磷 | D.白磷和红磷在一定条件下可以互变 |
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