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第28页

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$ 4\ \text {P+5O}_2\xlongequal[\ \ \ \ \ \ ]{点燃}2\ \text {P}_2\ \text {O}_5$

$ \ \text {S+O}_2\xlongequal[\ \ \ \ \ \ ]{点燃}\ \text {SO}_2$

$ \ \text {2H}_2+\ \text {O}_2\xlongequal[\ \ \ \ \ \ ]{点燃}2\ \text {H}_2\ \text {O}$

$ \ \text {C+O}_2\xlongequal[\ \ \ \ \ \ ]{点燃}\ \text {CO}_2$

$ \mathrm{ 2C＋O_2\xlongequal[\ \ \ \ \ \ ]{点燃}2CO} $

$ \ \text {3Fe}+2\ \text {O}_2\xlongequal[\ \ \ \ \ \ ]{点燃}\ \text {Fe}_3\ \text {O}_4$

$ \ \text {2Cu+O}_2\xlongequal[\ \ \ \ \ \ ]{△}2\ \text {CuO}$

2 \text {Mg+O}_2\xlongequal[]{点燃}\ \text {2MgO}

$ 4 \text {Al}+3\ \text {O}_2\xlongequal[\ \ \ \ \ \ ]{点燃}2\ \text {Al}_2\ \text {O}_3$

$ \ \text {2CO+O}_2\xlongequal[\ \ \ \ \ \ ]{点燃}2\ \text {CO}_2$

$ \ \text {CH}_4+2\ \text {O}_2\xlongequal[]{点燃}\ \text {CO}_2+2\ \text {H}_2\ \text {O}$

$ \ \text {2KMnO}_4\xlongequal[\ \ \ \ \ \ ]{△}\ \text {K}_2\ \text {MnO}_4+\ \text {MnO}_2+\ \text {O}_2↑$

$ \ \text {2KClO}_3\xlongequal[△ ]{\ \text {MnO}_2}\ \text {2KCl+3O}_2↑$

$\ \text {2H}_2\ \text {O}_2\xlongequal[\ \ \ \ \ \ ]{\ \text {MnO}_2}2\ \text {H}_2\ \text {O}+\ \text {O}_2↑$

$ \ \text {2H}_2\ \text {O}\xlongequal[\ \ \ \ \ \ ]{通电}2\ \text {H}_2↑+\ \text {O}_2↑$